Home / 815,340.33-1,125,207.11-452,765.60

Finding the Fourth Proportional to 815,340.33, 1,125,207.11 and 452,765.60

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Solution

The fourth proportional to 815,340.33, 1,125,207.11 and 452,765.60 is: 624,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,340.33 : 1,125,207.11 = 452,765.60 : x
  2. Step 2: Convert to fraction form
    815,340.33/1,125,207.11 = 452,765.60/x
  3. Step 3: Cross multiply
    815,340.33x = 1,125,207.11 × 452,765.60
  4. Step 4: Simplify right side
    815,340.33x = 509,455,072,008.82
  5. Step 5: Solve for x
    x = 509,455,072,008.82/815,340.33
  6. Step 6: Final answer
    x = 624,837.33

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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.