Home / 859,000.11-1,287,281.52-632,584.86

Finding the Fourth Proportional to 859,000.11, 1,287,281.52 and 632,584.86

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Solution

The fourth proportional to 859,000.11, 1,287,281.52 and 632,584.86 is: 947,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,000.11 : 1,287,281.52 = 632,584.86 : x
  2. Step 2: Convert to fraction form
    859,000.11/1,287,281.52 = 632,584.86/x
  3. Step 3: Cross multiply
    859,000.11x = 1,287,281.52 × 632,584.86
  4. Step 4: Simplify right side
    859,000.11x = 814,314,796,946.86
  5. Step 5: Solve for x
    x = 814,314,796,946.86/859,000.11
  6. Step 6: Final answer
    x = 947,979.85

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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.