Home / 708,360.05-977,508.43-386,063.24

Finding the Fourth Proportional to 708,360.05, 977,508.43 and 386,063.24

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Solution

The fourth proportional to 708,360.05, 977,508.43 and 386,063.24 is: 532,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,360.05 : 977,508.43 = 386,063.24 : x
  2. Step 2: Convert to fraction form
    708,360.05/977,508.43 = 386,063.24/x
  3. Step 3: Cross multiply
    708,360.05x = 977,508.43 × 386,063.24
  4. Step 4: Simplify right side
    708,360.05x = 377,380,065,760.41
  5. Step 5: Solve for x
    x = 377,380,065,760.41/708,360.05
  6. Step 6: Final answer
    x = 532,751.76

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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.