Home / 920,731.38-1,270,673.18-558,170.52

Finding the Fourth Proportional to 920,731.38, 1,270,673.18 and 558,170.52

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Solution

The fourth proportional to 920,731.38, 1,270,673.18 and 558,170.52 is: 770,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,731.38 : 1,270,673.18 = 558,170.52 : x
  2. Step 2: Convert to fraction form
    920,731.38/1,270,673.18 = 558,170.52/x
  3. Step 3: Cross multiply
    920,731.38x = 1,270,673.18 × 558,170.52
  4. Step 4: Simplify right side
    920,731.38x = 709,252,309,630.65
  5. Step 5: Solve for x
    x = 709,252,309,630.65/920,731.38
  6. Step 6: Final answer
    x = 770,314.04

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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.