Home / 864,664.36-1,193,257.02-542,388.04

Finding the Fourth Proportional to 864,664.36, 1,193,257.02 and 542,388.04

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Solution

The fourth proportional to 864,664.36, 1,193,257.02 and 542,388.04 is: 748,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,664.36 : 1,193,257.02 = 542,388.04 : x
  2. Step 2: Convert to fraction form
    864,664.36/1,193,257.02 = 542,388.04/x
  3. Step 3: Cross multiply
    864,664.36x = 1,193,257.02 × 542,388.04
  4. Step 4: Simplify right side
    864,664.36x = 647,208,336,294.04
  5. Step 5: Solve for x
    x = 647,208,336,294.04/864,664.36
  6. Step 6: Final answer
    x = 748,508.17

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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.