Home / 880,350.80-1,320,613.68-319,429.04

Finding the Fourth Proportional to 880,350.80, 1,320,613.68 and 319,429.04

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Solution

The fourth proportional to 880,350.80, 1,320,613.68 and 319,429.04 is: 479,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,350.80 : 1,320,613.68 = 319,429.04 : x
  2. Step 2: Convert to fraction form
    880,350.80/1,320,613.68 = 319,429.04/x
  3. Step 3: Cross multiply
    880,350.80x = 1,320,613.68 × 319,429.04
  4. Step 4: Simplify right side
    880,350.80x = 421,842,360,013.27
  5. Step 5: Solve for x
    x = 421,842,360,013.27/880,350.80
  6. Step 6: Final answer
    x = 479,175.30

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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.