Home / 558,996.70-771,438.62-317,301.76

Finding the Fourth Proportional to 558,996.70, 771,438.62 and 317,301.76

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Solution

The fourth proportional to 558,996.70, 771,438.62 and 317,301.76 is: 437,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,996.70 : 771,438.62 = 317,301.76 : x
  2. Step 2: Convert to fraction form
    558,996.70/771,438.62 = 317,301.76/x
  3. Step 3: Cross multiply
    558,996.70x = 771,438.62 × 317,301.76
  4. Step 4: Simplify right side
    558,996.70x = 244,778,829,929.38
  5. Step 5: Solve for x
    x = 244,778,829,929.38/558,996.70
  6. Step 6: Final answer
    x = 437,889.58

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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.