Home / 929,824.20-1,394,080.20-424,627.20

Finding the Fourth Proportional to 929,824.20, 1,394,080.20 and 424,627.20

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Solution

The fourth proportional to 929,824.20, 1,394,080.20 and 424,627.20 is: 636,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,824.20 : 1,394,080.20 = 424,627.20 : x
  2. Step 2: Convert to fraction form
    929,824.20/1,394,080.20 = 424,627.20/x
  3. Step 3: Cross multiply
    929,824.20x = 1,394,080.20 × 424,627.20
  4. Step 4: Simplify right side
    929,824.20x = 591,964,371,901.44
  5. Step 5: Solve for x
    x = 591,964,371,901.44/929,824.20
  6. Step 6: Final answer
    x = 636,641.18

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1.5x scale

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.