Home / 674,616.96-1,011,925.42-253,987.20

Finding the Fourth Proportional to 674,616.96, 1,011,925.42 and 253,987.20

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Solution

The fourth proportional to 674,616.96, 1,011,925.42 and 253,987.20 is: 380,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,616.96 : 1,011,925.42 = 253,987.20 : x
  2. Step 2: Convert to fraction form
    674,616.96/1,011,925.42 = 253,987.20/x
  3. Step 3: Cross multiply
    674,616.96x = 1,011,925.42 × 253,987.20
  4. Step 4: Simplify right side
    674,616.96x = 257,016,104,034.62
  5. Step 5: Solve for x
    x = 257,016,104,034.62/674,616.96
  6. Step 6: Final answer
    x = 380,980.79

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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.