Home / 802,254.94-1,107,126.03-439,654.66

Finding the Fourth Proportional to 802,254.94, 1,107,126.03 and 439,654.66

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Solution

The fourth proportional to 802,254.94, 1,107,126.03 and 439,654.66 is: 606,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,254.94 : 1,107,126.03 = 439,654.66 : x
  2. Step 2: Convert to fraction form
    802,254.94/1,107,126.03 = 439,654.66/x
  3. Step 3: Cross multiply
    802,254.94x = 1,107,126.03 × 439,654.66
  4. Step 4: Simplify right side
    802,254.94x = 486,753,118,296.80
  5. Step 5: Solve for x
    x = 486,753,118,296.80/802,254.94
  6. Step 6: Final answer
    x = 606,731.22

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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.