Home / 540,966.03-746,468.07-311,597.91

Finding the Fourth Proportional to 540,966.03, 746,468.07 and 311,597.91

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Solution

The fourth proportional to 540,966.03, 746,468.07 and 311,597.91 is: 429,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,966.03 : 746,468.07 = 311,597.91 : x
  2. Step 2: Convert to fraction form
    540,966.03/746,468.07 = 311,597.91/x
  3. Step 3: Cross multiply
    540,966.03x = 746,468.07 × 311,597.91
  4. Step 4: Simplify right side
    540,966.03x = 232,597,890,493.73
  5. Step 5: Solve for x
    x = 232,597,890,493.73/540,966.03
  6. Step 6: Final answer
    x = 429,967.65

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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.