Home / 868,943.34-1,199,123.73-476,470.80

Finding the Fourth Proportional to 868,943.34, 1,199,123.73 and 476,470.80

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Solution

The fourth proportional to 868,943.34, 1,199,123.73 and 476,470.80 is: 657,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,943.34 : 1,199,123.73 = 476,470.80 : x
  2. Step 2: Convert to fraction form
    868,943.34/1,199,123.73 = 476,470.80/x
  3. Step 3: Cross multiply
    868,943.34x = 1,199,123.73 × 476,470.80
  4. Step 4: Simplify right side
    868,943.34x = 571,347,442,932.08
  5. Step 5: Solve for x
    x = 571,347,442,932.08/868,943.34
  6. Step 6: Final answer
    x = 657,519.79

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1.5x scale

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.