Home / 752,641.38-1,038,644.68-425,948.46

Finding the Fourth Proportional to 752,641.38, 1,038,644.68 and 425,948.46

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Solution

The fourth proportional to 752,641.38, 1,038,644.68 and 425,948.46 is: 587,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,641.38 : 1,038,644.68 = 425,948.46 : x
  2. Step 2: Convert to fraction form
    752,641.38/1,038,644.68 = 425,948.46/x
  3. Step 3: Cross multiply
    752,641.38x = 1,038,644.68 × 425,948.46
  4. Step 4: Simplify right side
    752,641.38x = 442,409,101,933.19
  5. Step 5: Solve for x
    x = 442,409,101,933.19/752,641.38
  6. Step 6: Final answer
    x = 587,808.63

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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.