Home / 654,319.65-981,479.43-180,992.70

Finding the Fourth Proportional to 654,319.65, 981,479.43 and 180,992.70

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Solution

The fourth proportional to 654,319.65, 981,479.43 and 180,992.70 is: 271,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,319.65 : 981,479.43 = 180,992.70 : x
  2. Step 2: Convert to fraction form
    654,319.65/981,479.43 = 180,992.70/x
  3. Step 3: Cross multiply
    654,319.65x = 981,479.43 × 180,992.70
  4. Step 4: Simplify right side
    654,319.65x = 177,640,612,030.16
  5. Step 5: Solve for x
    x = 177,640,612,030.16/654,319.65
  6. Step 6: Final answer
    x = 271,489.04

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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.