Home / 396,526.77-547,658.10-268,980.93

Finding the Fourth Proportional to 396,526.77, 547,658.10 and 268,980.93

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Solution

The fourth proportional to 396,526.77, 547,658.10 and 268,980.93 is: 371,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,526.77 : 547,658.10 = 268,980.93 : x
  2. Step 2: Convert to fraction form
    396,526.77/547,658.10 = 268,980.93/x
  3. Step 3: Cross multiply
    396,526.77x = 547,658.10 × 268,980.93
  4. Step 4: Simplify right side
    396,526.77x = 147,309,585,060.03
  5. Step 5: Solve for x
    x = 147,309,585,060.03/396,526.77
  6. Step 6: Final answer
    x = 371,499.72

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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.