Home / 498,427.11-687,844.98-283,598.10

Finding the Fourth Proportional to 498,427.11, 687,844.98 and 283,598.10

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Solution

The fourth proportional to 498,427.11, 687,844.98 and 283,598.10 is: 391,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,427.11 : 687,844.98 = 283,598.10 : x
  2. Step 2: Convert to fraction form
    498,427.11/687,844.98 = 283,598.10/x
  3. Step 3: Cross multiply
    498,427.11x = 687,844.98 × 283,598.10
  4. Step 4: Simplify right side
    498,427.11x = 195,071,529,422.54
  5. Step 5: Solve for x
    x = 195,071,529,422.54/498,427.11
  6. Step 6: Final answer
    x = 391,374.24

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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.