Home / 674,175.68-1,010,872.28-319,186.72

Finding the Fourth Proportional to 674,175.68, 1,010,872.28 and 319,186.72

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Solution

The fourth proportional to 674,175.68, 1,010,872.28 and 319,186.72 is: 478,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,175.68 : 1,010,872.28 = 319,186.72 : x
  2. Step 2: Convert to fraction form
    674,175.68/1,010,872.28 = 319,186.72/x
  3. Step 3: Cross multiply
    674,175.68x = 1,010,872.28 × 319,186.72
  4. Step 4: Simplify right side
    674,175.68x = 322,657,007,392.12
  5. Step 5: Solve for x
    x = 322,657,007,392.12/674,175.68
  6. Step 6: Final answer
    x = 478,594.85

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Double scale
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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.