Home / 638,002.19-955,427.60-475,506.64

Finding the Fourth Proportional to 638,002.19, 955,427.60 and 475,506.64

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Solution

The fourth proportional to 638,002.19, 955,427.60 and 475,506.64 is: 712,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,002.19 : 955,427.60 = 475,506.64 : x
  2. Step 2: Convert to fraction form
    638,002.19/955,427.60 = 475,506.64/x
  3. Step 3: Cross multiply
    638,002.19x = 955,427.60 × 475,506.64
  4. Step 4: Simplify right side
    638,002.19x = 454,312,167,839.26
  5. Step 5: Solve for x
    x = 454,312,167,839.26/638,002.19
  6. Step 6: Final answer
    x = 712,085.59

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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.