Home / 639,046.26-957,584.01-314,461.74

Finding the Fourth Proportional to 639,046.26, 957,584.01 and 314,461.74

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Solution

The fourth proportional to 639,046.26, 957,584.01 and 314,461.74 is: 471,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,046.26 : 957,584.01 = 314,461.74 : x
  2. Step 2: Convert to fraction form
    639,046.26/957,584.01 = 314,461.74/x
  3. Step 3: Cross multiply
    639,046.26x = 957,584.01 × 314,461.74
  4. Step 4: Simplify right side
    639,046.26x = 301,123,533,980.78
  5. Step 5: Solve for x
    x = 301,123,533,980.78/639,046.26
  6. Step 6: Final answer
    x = 471,207.72

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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.