Home / 744,219.28-1,116,335.81-238,781.31

Finding the Fourth Proportional to 744,219.28, 1,116,335.81 and 238,781.31

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Solution

The fourth proportional to 744,219.28, 1,116,335.81 and 238,781.31 is: 358,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,219.28 : 1,116,335.81 = 238,781.31 : x
  2. Step 2: Convert to fraction form
    744,219.28/1,116,335.81 = 238,781.31/x
  3. Step 3: Cross multiply
    744,219.28x = 1,116,335.81 × 238,781.31
  4. Step 4: Simplify right side
    744,219.28x = 266,560,127,111.71
  5. Step 5: Solve for x
    x = 266,560,127,111.71/744,219.28
  6. Step 6: Final answer
    x = 358,174.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.