Home / 708,139.06-977,219.52-385,851.82

Finding the Fourth Proportional to 708,139.06, 977,219.52 and 385,851.82

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Solution

The fourth proportional to 708,139.06, 977,219.52 and 385,851.82 is: 532,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,139.06 : 977,219.52 = 385,851.82 : x
  2. Step 2: Convert to fraction form
    708,139.06/977,219.52 = 385,851.82/x
  3. Step 3: Cross multiply
    708,139.06x = 977,219.52 × 385,851.82
  4. Step 4: Simplify right side
    708,139.06x = 377,061,930,331.53
  5. Step 5: Solve for x
    x = 377,061,930,331.53/708,139.06
  6. Step 6: Final answer
    x = 532,468.76

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1.5x scale

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.