Home / 708,270.85-977,385.27-385,974.02

Finding the Fourth Proportional to 708,270.85, 977,385.27 and 385,974.02

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Solution

The fourth proportional to 708,270.85, 977,385.27 and 385,974.02 is: 532,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,270.85 : 977,385.27 = 385,974.02 : x
  2. Step 2: Convert to fraction form
    708,270.85/977,385.27 = 385,974.02/x
  3. Step 3: Cross multiply
    708,270.85x = 977,385.27 × 385,974.02
  4. Step 4: Simplify right side
    708,270.85x = 377,245,321,750.69
  5. Step 5: Solve for x
    x = 377,245,321,750.69/708,270.85
  6. Step 6: Final answer
    x = 532,628.61

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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.