Home / 908,132.46-1,253,174.97-520,928.34

Finding the Fourth Proportional to 908,132.46, 1,253,174.97 and 520,928.34

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Solution

The fourth proportional to 908,132.46, 1,253,174.97 and 520,928.34 is: 718,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,132.46 : 1,253,174.97 = 520,928.34 : x
  2. Step 2: Convert to fraction form
    908,132.46/1,253,174.97 = 520,928.34/x
  3. Step 3: Cross multiply
    908,132.46x = 1,253,174.97 × 520,928.34
  4. Step 4: Simplify right side
    908,132.46x = 652,814,356,851.65
  5. Step 5: Solve for x
    x = 652,814,356,851.65/908,132.46
  6. Step 6: Final answer
    x = 718,853.68

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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.