Home / 731,771.60-1,097,657.40-480,639.20

Finding the Fourth Proportional to 731,771.60, 1,097,657.40 and 480,639.20

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Solution

The fourth proportional to 731,771.60, 1,097,657.40 and 480,639.20 is: 720,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,771.60 : 1,097,657.40 = 480,639.20 : x
  2. Step 2: Convert to fraction form
    731,771.60/1,097,657.40 = 480,639.20/x
  3. Step 3: Cross multiply
    731,771.60x = 1,097,657.40 × 480,639.20
  4. Step 4: Simplify right side
    731,771.60x = 527,577,174,610.08
  5. Step 5: Solve for x
    x = 527,577,174,610.08/731,771.60
  6. Step 6: Final answer
    x = 720,958.80

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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.