Home / 929,838.20-1,394,101.20-424,641.20

Finding the Fourth Proportional to 929,838.20, 1,394,101.20 and 424,641.20

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Solution

The fourth proportional to 929,838.20, 1,394,101.20 and 424,641.20 is: 636,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,838.20 : 1,394,101.20 = 424,641.20 : x
  2. Step 2: Convert to fraction form
    929,838.20/1,394,101.20 = 424,641.20/x
  3. Step 3: Cross multiply
    929,838.20x = 1,394,101.20 × 424,641.20
  4. Step 4: Simplify right side
    929,838.20x = 591,992,806,489.44
  5. Step 5: Solve for x
    x = 591,992,806,489.44/929,838.20
  6. Step 6: Final answer
    x = 636,662.17

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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.