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Finding the Fourth Proportional to 665,152.60, 997,728.90 and 610,040.20

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Solution

The fourth proportional to 665,152.60, 997,728.90 and 610,040.20 is: 915,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,152.60 : 997,728.90 = 610,040.20 : x
  2. Step 2: Convert to fraction form
    665,152.60/997,728.90 = 610,040.20/x
  3. Step 3: Cross multiply
    665,152.60x = 997,728.90 × 610,040.20
  4. Step 4: Simplify right side
    665,152.60x = 608,654,737,701.78
  5. Step 5: Solve for x
    x = 608,654,737,701.78/665,152.60
  6. Step 6: Final answer
    x = 915,060.30

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Similar ratio
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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.