Home / 486,913.05-671,890.77-334,082.79

Finding the Fourth Proportional to 486,913.05, 671,890.77 and 334,082.79

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Solution

The fourth proportional to 486,913.05, 671,890.77 and 334,082.79 is: 461,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,913.05 : 671,890.77 = 334,082.79 : x
  2. Step 2: Convert to fraction form
    486,913.05/671,890.77 = 334,082.79/x
  3. Step 3: Cross multiply
    486,913.05x = 671,890.77 × 334,082.79
  4. Step 4: Simplify right side
    486,913.05x = 224,467,143,016.85
  5. Step 5: Solve for x
    x = 224,467,143,016.85/486,913.05
  6. Step 6: Final answer
    x = 461,000.47

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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.