Home / 874,963.59-1,207,450.22-472,555.59

Finding the Fourth Proportional to 874,963.59, 1,207,450.22 and 472,555.59

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Solution

The fourth proportional to 874,963.59, 1,207,450.22 and 472,555.59 is: 652,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,963.59 : 1,207,450.22 = 472,555.59 : x
  2. Step 2: Convert to fraction form
    874,963.59/1,207,450.22 = 472,555.59/x
  3. Step 3: Cross multiply
    874,963.59x = 1,207,450.22 × 472,555.59
  4. Step 4: Simplify right side
    874,963.59x = 570,587,348,744.95
  5. Step 5: Solve for x
    x = 570,587,348,744.95/874,963.59
  6. Step 6: Final answer
    x = 652,126.96

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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.