Home / 815,426.76-1,125,326.30-452,852.22

Finding the Fourth Proportional to 815,426.76, 1,125,326.30 and 452,852.22

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Solution

The fourth proportional to 815,426.76, 1,125,326.30 and 452,852.22 is: 624,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,426.76 : 1,125,326.30 = 452,852.22 : x
  2. Step 2: Convert to fraction form
    815,426.76/1,125,326.30 = 452,852.22/x
  3. Step 3: Cross multiply
    815,426.76x = 1,125,326.30 × 452,852.22
  4. Step 4: Simplify right side
    815,426.76x = 509,606,510,915.13
  5. Step 5: Solve for x
    x = 509,606,510,915.13/815,426.76
  6. Step 6: Final answer
    x = 624,956.82

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Half scale
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Double scale
Find fourth proportional to 815,427.76, 1,125,327.68 and 452,853.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.