Home / 485,904.40-670,549.15-271,058.38

Finding the Fourth Proportional to 485,904.40, 670,549.15 and 271,058.38

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Solution

The fourth proportional to 485,904.40, 670,549.15 and 271,058.38 is: 374,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,904.40 : 670,549.15 = 271,058.38 : x
  2. Step 2: Convert to fraction form
    485,904.40/670,549.15 = 271,058.38/x
  3. Step 3: Cross multiply
    485,904.40x = 670,549.15 × 271,058.38
  4. Step 4: Simplify right side
    485,904.40x = 181,757,966,987.02
  5. Step 5: Solve for x
    x = 181,757,966,987.02/485,904.40
  6. Step 6: Final answer
    x = 374,061.17

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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.