Home / 460,418.26-690,561.78-144,866.97

Finding the Fourth Proportional to 460,418.26, 690,561.78 and 144,866.97

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Solution

The fourth proportional to 460,418.26, 690,561.78 and 144,866.97 is: 217,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,418.26 : 690,561.78 = 144,866.97 : x
  2. Step 2: Convert to fraction form
    460,418.26/690,561.78 = 144,866.97/x
  3. Step 3: Cross multiply
    460,418.26x = 690,561.78 × 144,866.97
  4. Step 4: Simplify right side
    460,418.26x = 100,039,592,666.41
  5. Step 5: Solve for x
    x = 100,039,592,666.41/460,418.26
  6. Step 6: Final answer
    x = 217,279.81

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1.5x scale

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.