Home / 487,631.76-673,062.12-457,892.88

Finding the Fourth Proportional to 487,631.76, 673,062.12 and 457,892.88

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Solution

The fourth proportional to 487,631.76, 673,062.12 and 457,892.88 is: 632,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,631.76 : 673,062.12 = 457,892.88 : x
  2. Step 2: Convert to fraction form
    487,631.76/673,062.12 = 457,892.88/x
  3. Step 3: Cross multiply
    487,631.76x = 673,062.12 × 457,892.88
  4. Step 4: Simplify right side
    487,631.76x = 308,190,352,545.71
  5. Step 5: Solve for x
    x = 308,190,352,545.71/487,631.76
  6. Step 6: Final answer
    x = 632,014.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.