Home / 752,739.03-1,038,780.96-408,575.23

Finding the Fourth Proportional to 752,739.03, 1,038,780.96 and 408,575.23

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Solution

The fourth proportional to 752,739.03, 1,038,780.96 and 408,575.23 is: 563,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,739.03 : 1,038,780.96 = 408,575.23 : x
  2. Step 2: Convert to fraction form
    752,739.03/1,038,780.96 = 408,575.23/x
  3. Step 3: Cross multiply
    752,739.03x = 1,038,780.96 × 408,575.23
  4. Step 4: Simplify right side
    752,739.03x = 424,420,169,651.62
  5. Step 5: Solve for x
    x = 424,420,169,651.62/752,739.03
  6. Step 6: Final answer
    x = 563,834.41

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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.