Home / 690,179.80-1,035,304.80-216,869.80

Finding the Fourth Proportional to 690,179.80, 1,035,304.80 and 216,869.80

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Solution

The fourth proportional to 690,179.80, 1,035,304.80 and 216,869.80 is: 325,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,179.80 : 1,035,304.80 = 216,869.80 : x
  2. Step 2: Convert to fraction form
    690,179.80/1,035,304.80 = 216,869.80/x
  3. Step 3: Cross multiply
    690,179.80x = 1,035,304.80 × 216,869.80
  4. Step 4: Simplify right side
    690,179.80x = 224,526,344,915.04
  5. Step 5: Solve for x
    x = 224,526,344,915.04/690,179.80
  6. Step 6: Final answer
    x = 325,315.73

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Similar ratio
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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.