Home / 659,732.43-910,434.69-373,312.38

Finding the Fourth Proportional to 659,732.43, 910,434.69 and 373,312.38

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Solution

The fourth proportional to 659,732.43, 910,434.69 and 373,312.38 is: 515,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,732.43 : 910,434.69 = 373,312.38 : x
  2. Step 2: Convert to fraction form
    659,732.43/910,434.69 = 373,312.38/x
  3. Step 3: Cross multiply
    659,732.43x = 910,434.69 × 373,312.38
  4. Step 4: Simplify right side
    659,732.43x = 339,876,540,958.46
  5. Step 5: Solve for x
    x = 339,876,540,958.46/659,732.43
  6. Step 6: Final answer
    x = 515,173.31

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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.