Home / 755,269.13-1,042,298.89-411,088.41

Finding the Fourth Proportional to 755,269.13, 1,042,298.89 and 411,088.41

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Solution

The fourth proportional to 755,269.13, 1,042,298.89 and 411,088.41 is: 567,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,269.13 : 1,042,298.89 = 411,088.41 : x
  2. Step 2: Convert to fraction form
    755,269.13/1,042,298.89 = 411,088.41/x
  3. Step 3: Cross multiply
    755,269.13x = 1,042,298.89 × 411,088.41
  4. Step 4: Simplify right side
    755,269.13x = 428,476,995,012.89
  5. Step 5: Solve for x
    x = 428,476,995,012.89/755,269.13
  6. Step 6: Final answer
    x = 567,316.97

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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.