Home / 755,291.79-1,042,328.25-411,140.25

Finding the Fourth Proportional to 755,291.79, 1,042,328.25 and 411,140.25

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Solution

The fourth proportional to 755,291.79, 1,042,328.25 and 411,140.25 is: 567,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,291.79 : 1,042,328.25 = 411,140.25 : x
  2. Step 2: Convert to fraction form
    755,291.79/1,042,328.25 = 411,140.25/x
  3. Step 3: Cross multiply
    755,291.79x = 1,042,328.25 × 411,140.25
  4. Step 4: Simplify right side
    755,291.79x = 428,543,097,287.06
  5. Step 5: Solve for x
    x = 428,543,097,287.06/755,291.79
  6. Step 6: Final answer
    x = 567,387.47

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Double scale
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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.