Home / 673,989.42-1,011,372.57-374,444.70

Finding the Fourth Proportional to 673,989.42, 1,011,372.57 and 374,444.70

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Solution

The fourth proportional to 673,989.42, 1,011,372.57 and 374,444.70 is: 561,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,989.42 : 1,011,372.57 = 374,444.70 : x
  2. Step 2: Convert to fraction form
    673,989.42/1,011,372.57 = 374,444.70/x
  3. Step 3: Cross multiply
    673,989.42x = 1,011,372.57 × 374,444.70
  4. Step 4: Simplify right side
    673,989.42x = 378,703,098,561.88
  5. Step 5: Solve for x
    x = 378,703,098,561.88/673,989.42
  6. Step 6: Final answer
    x = 561,882.85

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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.