Home / 648,001.10-972,001.65-364,565.90

Finding the Fourth Proportional to 648,001.10, 972,001.65 and 364,565.90

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Solution

The fourth proportional to 648,001.10, 972,001.65 and 364,565.90 is: 546,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,001.10 : 972,001.65 = 364,565.90 : x
  2. Step 2: Convert to fraction form
    648,001.10/972,001.65 = 364,565.90/x
  3. Step 3: Cross multiply
    648,001.10x = 972,001.65 × 364,565.90
  4. Step 4: Simplify right side
    648,001.10x = 354,358,656,333.74
  5. Step 5: Solve for x
    x = 354,358,656,333.74/648,001.10
  6. Step 6: Final answer
    x = 546,848.85

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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.