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Finding the Fourth Proportional to 586,422.20, 879,633.30 and 446,454.20

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Solution

The fourth proportional to 586,422.20, 879,633.30 and 446,454.20 is: 669,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,422.20 : 879,633.30 = 446,454.20 : x
  2. Step 2: Convert to fraction form
    586,422.20/879,633.30 = 446,454.20/x
  3. Step 3: Cross multiply
    586,422.20x = 879,633.30 × 446,454.20
  4. Step 4: Simplify right side
    586,422.20x = 392,715,981,244.86
  5. Step 5: Solve for x
    x = 392,715,981,244.86/586,422.20
  6. Step 6: Final answer
    x = 669,681.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.