Home / 671,836.38-1,007,748.30-272,382.20

Finding the Fourth Proportional to 671,836.38, 1,007,748.30 and 272,382.20

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Solution

The fourth proportional to 671,836.38, 1,007,748.30 and 272,382.20 is: 408,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,836.38 : 1,007,748.30 = 272,382.20 : x
  2. Step 2: Convert to fraction form
    671,836.38/1,007,748.30 = 272,382.20/x
  3. Step 3: Cross multiply
    671,836.38x = 1,007,748.30 × 272,382.20
  4. Step 4: Simplify right side
    671,836.38x = 274,492,697,344.86
  5. Step 5: Solve for x
    x = 274,492,697,344.86/671,836.38
  6. Step 6: Final answer
    x = 408,570.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.