Home / 728,411.60-1,092,617.40-476,469.20

Finding the Fourth Proportional to 728,411.60, 1,092,617.40 and 476,469.20

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Solution

The fourth proportional to 728,411.60, 1,092,617.40 and 476,469.20 is: 714,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,411.60 : 1,092,617.40 = 476,469.20 : x
  2. Step 2: Convert to fraction form
    728,411.60/1,092,617.40 = 476,469.20/x
  3. Step 3: Cross multiply
    728,411.60x = 1,092,617.40 × 476,469.20
  4. Step 4: Simplify right side
    728,411.60x = 520,598,538,484.08
  5. Step 5: Solve for x
    x = 520,598,538,484.08/728,411.60
  6. Step 6: Final answer
    x = 714,703.80

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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.