Home / 450,688.19-675,565.15-281,820.92

Finding the Fourth Proportional to 450,688.19, 675,565.15 and 281,820.92

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Solution

The fourth proportional to 450,688.19, 675,565.15 and 281,820.92 is: 422,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,688.19 : 675,565.15 = 281,820.92 : x
  2. Step 2: Convert to fraction form
    450,688.19/675,565.15 = 281,820.92/x
  3. Step 3: Cross multiply
    450,688.19x = 675,565.15 × 281,820.92
  4. Step 4: Simplify right side
    450,688.19x = 190,388,387,306.01
  5. Step 5: Solve for x
    x = 190,388,387,306.01/450,688.19
  6. Step 6: Final answer
    x = 422,439.27

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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.