Home / 836,107.80-1,253,432.70-569,002.20

Finding the Fourth Proportional to 836,107.80, 1,253,432.70 and 569,002.20

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Solution

The fourth proportional to 836,107.80, 1,253,432.70 and 569,002.20 is: 853,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,107.80 : 1,253,432.70 = 569,002.20 : x
  2. Step 2: Convert to fraction form
    836,107.80/1,253,432.70 = 569,002.20/x
  3. Step 3: Cross multiply
    836,107.80x = 1,253,432.70 × 569,002.20
  4. Step 4: Simplify right side
    836,107.80x = 713,205,963,851.94
  5. Step 5: Solve for x
    x = 713,205,963,851.94/836,107.80
  6. Step 6: Final answer
    x = 853,007.19

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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.