Home / 728,096.80-1,092,145.20-476,154.40

Finding the Fourth Proportional to 728,096.80, 1,092,145.20 and 476,154.40

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Solution

The fourth proportional to 728,096.80, 1,092,145.20 and 476,154.40 is: 714,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,096.80 : 1,092,145.20 = 476,154.40 : x
  2. Step 2: Convert to fraction form
    728,096.80/1,092,145.20 = 476,154.40/x
  3. Step 3: Cross multiply
    728,096.80x = 1,092,145.20 × 476,154.40
  4. Step 4: Simplify right side
    728,096.80x = 520,029,742,418.88
  5. Step 5: Solve for x
    x = 520,029,742,418.88/728,096.80
  6. Step 6: Final answer
    x = 714,231.60

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Similar ratio
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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.