Home / 972,001.30-1,456,835.55-498,442.90

Finding the Fourth Proportional to 972,001.30, 1,456,835.55 and 498,442.90

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Solution

The fourth proportional to 972,001.30, 1,456,835.55 and 498,442.90 is: 747,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,001.30 : 1,456,835.55 = 498,442.90 : x
  2. Step 2: Convert to fraction form
    972,001.30/1,456,835.55 = 498,442.90/x
  3. Step 3: Cross multiply
    972,001.30x = 1,456,835.55 × 498,442.90
  4. Step 4: Simplify right side
    972,001.30x = 726,149,336,365.10
  5. Step 5: Solve for x
    x = 726,149,336,365.10/972,001.30
  6. Step 6: Final answer
    x = 747,066.22

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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.