Home / 752,861.60-1,038,950.76-413,351.72

Finding the Fourth Proportional to 752,861.60, 1,038,950.76 and 413,351.72

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Solution

The fourth proportional to 752,861.60, 1,038,950.76 and 413,351.72 is: 570,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,861.60 : 1,038,950.76 = 413,351.72 : x
  2. Step 2: Convert to fraction form
    752,861.60/1,038,950.76 = 413,351.72/x
  3. Step 3: Cross multiply
    752,861.60x = 1,038,950.76 × 413,351.72
  4. Step 4: Simplify right side
    752,861.60x = 429,452,083,641.31
  5. Step 5: Solve for x
    x = 429,452,083,641.31/752,861.60
  6. Step 6: Final answer
    x = 570,426.34

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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.