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Finding the Fourth Proportional to 672,695.26, 928,326.71 and 366,769.15

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Solution

The fourth proportional to 672,695.26, 928,326.71 and 366,769.15 is: 506,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,695.26 : 928,326.71 = 366,769.15 : x
  2. Step 2: Convert to fraction form
    672,695.26/928,326.71 = 366,769.15/x
  3. Step 3: Cross multiply
    672,695.26x = 928,326.71 × 366,769.15
  4. Step 4: Simplify right side
    672,695.26x = 340,481,594,194.33
  5. Step 5: Solve for x
    x = 340,481,594,194.33/672,695.26
  6. Step 6: Final answer
    x = 506,145.38

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1.5x scale

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.