Home / 711,710.40-1,067,604.48-238,352.88

Finding the Fourth Proportional to 711,710.40, 1,067,604.48 and 238,352.88

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Solution

The fourth proportional to 711,710.40, 1,067,604.48 and 238,352.88 is: 357,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,710.40 : 1,067,604.48 = 238,352.88 : x
  2. Step 2: Convert to fraction form
    711,710.40/1,067,604.48 = 238,352.88/x
  3. Step 3: Cross multiply
    711,710.40x = 1,067,604.48 × 238,352.88
  4. Step 4: Simplify right side
    711,710.40x = 254,466,602,508.90
  5. Step 5: Solve for x
    x = 254,466,602,508.90/711,710.40
  6. Step 6: Final answer
    x = 357,542.34

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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.