Home / 674,247.68-1,011,410.40-253,527.20

Finding the Fourth Proportional to 674,247.68, 1,011,410.40 and 253,527.20

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Solution

The fourth proportional to 674,247.68, 1,011,410.40 and 253,527.20 is: 380,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,247.68 : 1,011,410.40 = 253,527.20 : x
  2. Step 2: Convert to fraction form
    674,247.68/1,011,410.40 = 253,527.20/x
  3. Step 3: Cross multiply
    674,247.68x = 1,011,410.40 × 253,527.20
  4. Step 4: Simplify right side
    674,247.68x = 256,420,046,762.88
  5. Step 5: Solve for x
    x = 256,420,046,762.88/674,247.68
  6. Step 6: Final answer
    x = 380,305.42

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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.