Home / 905,989.31-1,250,273.65-498,094.01

Finding the Fourth Proportional to 905,989.31, 1,250,273.65 and 498,094.01

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Solution

The fourth proportional to 905,989.31, 1,250,273.65 and 498,094.01 is: 687,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,989.31 : 1,250,273.65 = 498,094.01 : x
  2. Step 2: Convert to fraction form
    905,989.31/1,250,273.65 = 498,094.01/x
  3. Step 3: Cross multiply
    905,989.31x = 1,250,273.65 × 498,094.01
  4. Step 4: Simplify right side
    905,989.31x = 622,753,817,806.29
  5. Step 5: Solve for x
    x = 622,753,817,806.29/905,989.31
  6. Step 6: Final answer
    x = 687,374.36

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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.