Home / 681,024.31-939,904.39-440,008.25

Finding the Fourth Proportional to 681,024.31, 939,904.39 and 440,008.25

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Solution

The fourth proportional to 681,024.31, 939,904.39 and 440,008.25 is: 607,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,024.31 : 939,904.39 = 440,008.25 : x
  2. Step 2: Convert to fraction form
    681,024.31/939,904.39 = 440,008.25/x
  3. Step 3: Cross multiply
    681,024.31x = 939,904.39 × 440,008.25
  4. Step 4: Simplify right side
    681,024.31x = 413,565,689,261.00
  5. Step 5: Solve for x
    x = 413,565,689,261.00/681,024.31
  6. Step 6: Final answer
    x = 607,270.08

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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.