Home / 674,401.52-1,011,759.96-358,786.64

Finding the Fourth Proportional to 674,401.52, 1,011,759.96 and 358,786.64

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Solution

The fourth proportional to 674,401.52, 1,011,759.96 and 358,786.64 is: 538,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,401.52 : 1,011,759.96 = 358,786.64 : x
  2. Step 2: Convert to fraction form
    674,401.52/1,011,759.96 = 358,786.64/x
  3. Step 3: Cross multiply
    674,401.52x = 1,011,759.96 × 358,786.64
  4. Step 4: Simplify right side
    674,401.52x = 363,005,956,534.93
  5. Step 5: Solve for x
    x = 363,005,956,534.93/674,401.52
  6. Step 6: Final answer
    x = 538,263.85

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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.