Home / 729,957.96-1,088,189.52-718,454.34

Finding the Fourth Proportional to 729,957.96, 1,088,189.52 and 718,454.34

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Solution

The fourth proportional to 729,957.96, 1,088,189.52 and 718,454.34 is: 1,071,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,957.96 : 1,088,189.52 = 718,454.34 : x
  2. Step 2: Convert to fraction form
    729,957.96/1,088,189.52 = 718,454.34/x
  3. Step 3: Cross multiply
    729,957.96x = 1,088,189.52 × 718,454.34
  4. Step 4: Simplify right side
    729,957.96x = 781,814,483,386.52
  5. Step 5: Solve for x
    x = 781,814,483,386.52/729,957.96
  6. Step 6: Final answer
    x = 1,071,040.42

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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.