Home / 690,759.04-1,036,134.72-217,479.04

Finding the Fourth Proportional to 690,759.04, 1,036,134.72 and 217,479.04

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Solution

The fourth proportional to 690,759.04, 1,036,134.72 and 217,479.04 is: 326,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,759.04 : 1,036,134.72 = 217,479.04 : x
  2. Step 2: Convert to fraction form
    690,759.04/1,036,134.72 = 217,479.04/x
  3. Step 3: Cross multiply
    690,759.04x = 1,036,134.72 × 217,479.04
  4. Step 4: Simplify right side
    690,759.04x = 225,337,584,216.27
  5. Step 5: Solve for x
    x = 225,337,584,216.27/690,759.04
  6. Step 6: Final answer
    x = 326,217.35

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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.