Home / 815,419.49-1,125,248.08-452,866.70

Finding the Fourth Proportional to 815,419.49, 1,125,248.08 and 452,866.70

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Solution

The fourth proportional to 815,419.49, 1,125,248.08 and 452,866.70 is: 624,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,419.49 : 1,125,248.08 = 452,866.70 : x
  2. Step 2: Convert to fraction form
    815,419.49/1,125,248.08 = 452,866.70/x
  3. Step 3: Cross multiply
    815,419.49x = 1,125,248.08 × 452,866.70
  4. Step 4: Simplify right side
    815,419.49x = 509,587,384,670.94
  5. Step 5: Solve for x
    x = 509,587,384,670.94/815,419.49
  6. Step 6: Final answer
    x = 624,938.93

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Double scale
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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.