Home / 725,494.98-1,001,264.02-439,008.78

Finding the Fourth Proportional to 725,494.98, 1,001,264.02 and 439,008.78

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Solution

The fourth proportional to 725,494.98, 1,001,264.02 and 439,008.78 is: 605,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,494.98 : 1,001,264.02 = 439,008.78 : x
  2. Step 2: Convert to fraction form
    725,494.98/1,001,264.02 = 439,008.78/x
  3. Step 3: Cross multiply
    725,494.98x = 1,001,264.02 × 439,008.78
  4. Step 4: Simplify right side
    725,494.98x = 439,563,695,878.10
  5. Step 5: Solve for x
    x = 439,563,695,878.10/725,494.98
  6. Step 6: Final answer
    x = 605,881.10

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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.