Home / 891,146.48-1,229,847.24-509,165.04

Finding the Fourth Proportional to 891,146.48, 1,229,847.24 and 509,165.04

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Solution

The fourth proportional to 891,146.48, 1,229,847.24 and 509,165.04 is: 702,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,146.48 : 1,229,847.24 = 509,165.04 : x
  2. Step 2: Convert to fraction form
    891,146.48/1,229,847.24 = 509,165.04/x
  3. Step 3: Cross multiply
    891,146.48x = 1,229,847.24 × 509,165.04
  4. Step 4: Simplify right side
    891,146.48x = 626,195,219,148.49
  5. Step 5: Solve for x
    x = 626,195,219,148.49/891,146.48
  6. Step 6: Final answer
    x = 702,684.95

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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.