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Finding the Fourth Proportional to 542,515.48, 748,649.46 and 297,495.16

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Solution

The fourth proportional to 542,515.48, 748,649.46 and 297,495.16 is: 410,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,515.48 : 748,649.46 = 297,495.16 : x
  2. Step 2: Convert to fraction form
    542,515.48/748,649.46 = 297,495.16/x
  3. Step 3: Cross multiply
    542,515.48x = 748,649.46 × 297,495.16
  4. Step 4: Simplify right side
    542,515.48x = 222,719,590,886.61
  5. Step 5: Solve for x
    x = 222,719,590,886.61/542,515.48
  6. Step 6: Final answer
    x = 410,531.31

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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.