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Finding the Fourth Proportional to 585,000.40, 877,500.60 and 304,481.20

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Solution

The fourth proportional to 585,000.40, 877,500.60 and 304,481.20 is: 456,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,000.40 : 877,500.60 = 304,481.20 : x
  2. Step 2: Convert to fraction form
    585,000.40/877,500.60 = 304,481.20/x
  3. Step 3: Cross multiply
    585,000.40x = 877,500.60 × 304,481.20
  4. Step 4: Simplify right side
    585,000.40x = 267,182,435,688.72
  5. Step 5: Solve for x
    x = 267,182,435,688.72/585,000.40
  6. Step 6: Final answer
    x = 456,721.80

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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.