Home / 851,079.61-1,174,475.87-469,141.93

Finding the Fourth Proportional to 851,079.61, 1,174,475.87 and 469,141.93

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Solution

The fourth proportional to 851,079.61, 1,174,475.87 and 469,141.93 is: 647,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,079.61 : 1,174,475.87 = 469,141.93 : x
  2. Step 2: Convert to fraction form
    851,079.61/1,174,475.87 = 469,141.93/x
  3. Step 3: Cross multiply
    851,079.61x = 1,174,475.87 × 469,141.93
  4. Step 4: Simplify right side
    851,079.61x = 550,995,874,044.52
  5. Step 5: Solve for x
    x = 550,995,874,044.52/851,079.61
  6. Step 6: Final answer
    x = 647,408.15

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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.