Home / 752,445.73-1,038,405.05-412,926.13

Finding the Fourth Proportional to 752,445.73, 1,038,405.05 and 412,926.13

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Solution

The fourth proportional to 752,445.73, 1,038,405.05 and 412,926.13 is: 569,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,445.73 : 1,038,405.05 = 412,926.13 : x
  2. Step 2: Convert to fraction form
    752,445.73/1,038,405.05 = 412,926.13/x
  3. Step 3: Cross multiply
    752,445.73x = 1,038,405.05 × 412,926.13
  4. Step 4: Simplify right side
    752,445.73x = 428,784,578,668.96
  5. Step 5: Solve for x
    x = 428,784,578,668.96/752,445.73
  6. Step 6: Final answer
    x = 569,854.49

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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.