Home / 325,022.68-487,001.24-312,565.89

Finding the Fourth Proportional to 325,022.68, 487,001.24 and 312,565.89

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Solution

The fourth proportional to 325,022.68, 487,001.24 and 312,565.89 is: 468,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,022.68 : 487,001.24 = 312,565.89 : x
  2. Step 2: Convert to fraction form
    325,022.68/487,001.24 = 312,565.89/x
  3. Step 3: Cross multiply
    325,022.68x = 487,001.24 × 312,565.89
  4. Step 4: Simplify right side
    325,022.68x = 152,219,976,011.70
  5. Step 5: Solve for x
    x = 152,219,976,011.70/325,022.68
  6. Step 6: Final answer
    x = 468,336.47

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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.