Home / 690,177.80-1,035,301.80-216,867.80

Finding the Fourth Proportional to 690,177.80, 1,035,301.80 and 216,867.80

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Solution

The fourth proportional to 690,177.80, 1,035,301.80 and 216,867.80 is: 325,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,177.80 : 1,035,301.80 = 216,867.80 : x
  2. Step 2: Convert to fraction form
    690,177.80/1,035,301.80 = 216,867.80/x
  3. Step 3: Cross multiply
    690,177.80x = 1,035,301.80 × 216,867.80
  4. Step 4: Simplify right side
    690,177.80x = 224,523,623,702.04
  5. Step 5: Solve for x
    x = 224,523,623,702.04/690,177.80
  6. Step 6: Final answer
    x = 325,312.73

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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.