Home / 674,273.40-1,011,557.79-253,549.29

Finding the Fourth Proportional to 674,273.40, 1,011,557.79 and 253,549.29

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Solution

The fourth proportional to 674,273.40, 1,011,557.79 and 253,549.29 is: 380,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,273.40 : 1,011,557.79 = 253,549.29 : x
  2. Step 2: Convert to fraction form
    674,273.40/1,011,557.79 = 253,549.29/x
  3. Step 3: Cross multiply
    674,273.40x = 1,011,557.79 × 253,549.29
  4. Step 4: Simplify right side
    674,273.40x = 256,479,759,448.47
  5. Step 5: Solve for x
    x = 256,479,759,448.47/674,273.40
  6. Step 6: Final answer
    x = 380,379.47

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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.