Home / 558,900.12-771,082.14-375,183.96

Finding the Fourth Proportional to 558,900.12, 771,082.14 and 375,183.96

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Solution

The fourth proportional to 558,900.12, 771,082.14 and 375,183.96 is: 517,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,900.12 : 771,082.14 = 375,183.96 : x
  2. Step 2: Convert to fraction form
    558,900.12/771,082.14 = 375,183.96/x
  3. Step 3: Cross multiply
    558,900.12x = 771,082.14 × 375,183.96
  4. Step 4: Simplify right side
    558,900.12x = 289,297,650,770.47
  5. Step 5: Solve for x
    x = 289,297,650,770.47/558,900.12
  6. Step 6: Final answer
    x = 517,619.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.