Home / 752,857.58-1,038,945.22-413,347.70

Finding the Fourth Proportional to 752,857.58, 1,038,945.22 and 413,347.70

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Solution

The fourth proportional to 752,857.58, 1,038,945.22 and 413,347.70 is: 570,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,857.58 : 1,038,945.22 = 413,347.70 : x
  2. Step 2: Convert to fraction form
    752,857.58/1,038,945.22 = 413,347.70/x
  3. Step 3: Cross multiply
    752,857.58x = 1,038,945.22 × 413,347.70
  4. Step 4: Simplify right side
    752,857.58x = 429,445,617,112.99
  5. Step 5: Solve for x
    x = 429,445,617,112.99/752,857.58
  6. Step 6: Final answer
    x = 570,420.79

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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.