Home / 849,719.20-1,172,612.16-467,744

Finding the Fourth Proportional to 849,719.20, 1,172,612.16 and 467,744

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Solution

The fourth proportional to 849,719.20, 1,172,612.16 and 467,744 is: 645,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,719.20 : 1,172,612.16 = 467,744 : x
  2. Step 2: Convert to fraction form
    849,719.20/1,172,612.16 = 467,744/x
  3. Step 3: Cross multiply
    849,719.20x = 1,172,612.16 × 467,744
  4. Step 4: Simplify right side
    849,719.20x = 548,482,302,167.04
  5. Step 5: Solve for x
    x = 548,482,302,167.04/849,719.20
  6. Step 6: Final answer
    x = 645,486.54

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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.