Home / 674,174.68-1,010,870.79-319,185.70

Finding the Fourth Proportional to 674,174.68, 1,010,870.79 and 319,185.70

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Solution

The fourth proportional to 674,174.68, 1,010,870.79 and 319,185.70 is: 478,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,174.68 : 1,010,870.79 = 319,185.70 : x
  2. Step 2: Convert to fraction form
    674,174.68/1,010,870.79 = 319,185.70/x
  3. Step 3: Cross multiply
    674,174.68x = 1,010,870.79 × 319,185.70
  4. Step 4: Simplify right side
    674,174.68x = 322,655,500,715.70
  5. Step 5: Solve for x
    x = 322,655,500,715.70/674,174.68
  6. Step 6: Final answer
    x = 478,593.32

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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.