Home / 929,854.20-1,394,125.20-424,657.20

Finding the Fourth Proportional to 929,854.20, 1,394,125.20 and 424,657.20

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Solution

The fourth proportional to 929,854.20, 1,394,125.20 and 424,657.20 is: 636,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,854.20 : 1,394,125.20 = 424,657.20 : x
  2. Step 2: Convert to fraction form
    929,854.20/1,394,125.20 = 424,657.20/x
  3. Step 3: Cross multiply
    929,854.20x = 1,394,125.20 × 424,657.20
  4. Step 4: Simplify right side
    929,854.20x = 592,025,303,881.44
  5. Step 5: Solve for x
    x = 592,025,303,881.44/929,854.20
  6. Step 6: Final answer
    x = 636,686.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.