Home / 665,046.20-997,569.30-310,096.10

Finding the Fourth Proportional to 665,046.20, 997,569.30 and 310,096.10

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Solution

The fourth proportional to 665,046.20, 997,569.30 and 310,096.10 is: 465,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,046.20 : 997,569.30 = 310,096.10 : x
  2. Step 2: Convert to fraction form
    665,046.20/997,569.30 = 310,096.10/x
  3. Step 3: Cross multiply
    665,046.20x = 997,569.30 × 310,096.10
  4. Step 4: Simplify right side
    665,046.20x = 309,342,349,409.73
  5. Step 5: Solve for x
    x = 309,342,349,409.73/665,046.20
  6. Step 6: Final answer
    x = 465,144.15

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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.