Home / 708,357.13-977,504.33-386,060.29

Finding the Fourth Proportional to 708,357.13, 977,504.33 and 386,060.29

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Solution

The fourth proportional to 708,357.13, 977,504.33 and 386,060.29 is: 532,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,357.13 : 977,504.33 = 386,060.29 : x
  2. Step 2: Convert to fraction form
    708,357.13/977,504.33 = 386,060.29/x
  3. Step 3: Cross multiply
    708,357.13x = 977,504.33 × 386,060.29
  4. Step 4: Simplify right side
    708,357.13x = 377,375,603,185.75
  5. Step 5: Solve for x
    x = 377,375,603,185.75/708,357.13
  6. Step 6: Final answer
    x = 532,747.66

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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.