Home / 674,494.56-1,011,851.64-315,024.88

Finding the Fourth Proportional to 674,494.56, 1,011,851.64 and 315,024.88

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Solution

The fourth proportional to 674,494.56, 1,011,851.64 and 315,024.88 is: 472,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,494.56 : 1,011,851.64 = 315,024.88 : x
  2. Step 2: Convert to fraction form
    674,494.56/1,011,851.64 = 315,024.88/x
  3. Step 3: Cross multiply
    674,494.56x = 1,011,851.64 × 315,024.88
  4. Step 4: Simplify right side
    674,494.56x = 318,758,441,468.80
  5. Step 5: Solve for x
    x = 318,758,441,468.80/674,494.56
  6. Step 6: Final answer
    x = 472,588.60

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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.