Home / 865,766.61-1,298,649.92-234,680.42

Finding the Fourth Proportional to 865,766.61, 1,298,649.92 and 234,680.42

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Solution

The fourth proportional to 865,766.61, 1,298,649.92 and 234,680.42 is: 352,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,766.61 : 1,298,649.92 = 234,680.42 : x
  2. Step 2: Convert to fraction form
    865,766.61/1,298,649.92 = 234,680.42/x
  3. Step 3: Cross multiply
    865,766.61x = 1,298,649.92 × 234,680.42
  4. Step 4: Simplify right side
    865,766.61x = 304,767,710,731.79
  5. Step 5: Solve for x
    x = 304,767,710,731.79/865,766.61
  6. Step 6: Final answer
    x = 352,020.63

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Double scale
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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.