Home / 635,335.20-947,398.27-547,155.36

Finding the Fourth Proportional to 635,335.20, 947,398.27 and 547,155.36

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Solution

The fourth proportional to 635,335.20, 947,398.27 and 547,155.36 is: 815,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,335.20 : 947,398.27 = 547,155.36 : x
  2. Step 2: Convert to fraction form
    635,335.20/947,398.27 = 547,155.36/x
  3. Step 3: Cross multiply
    635,335.20x = 947,398.27 × 547,155.36
  4. Step 4: Simplify right side
    635,335.20x = 518,374,034,012.46
  5. Step 5: Solve for x
    x = 518,374,034,012.46/635,335.20
  6. Step 6: Final answer
    x = 815,906.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.