Home / 790,766.92-1,091,267.40-428,199.04

Finding the Fourth Proportional to 790,766.92, 1,091,267.40 and 428,199.04

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Solution

The fourth proportional to 790,766.92, 1,091,267.40 and 428,199.04 is: 590,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,766.92 : 1,091,267.40 = 428,199.04 : x
  2. Step 2: Convert to fraction form
    790,766.92/1,091,267.40 = 428,199.04/x
  3. Step 3: Cross multiply
    790,766.92x = 1,091,267.40 × 428,199.04
  4. Step 4: Simplify right side
    790,766.92x = 467,279,653,063.30
  5. Step 5: Solve for x
    x = 467,279,653,063.30/790,766.92
  6. Step 6: Final answer
    x = 590,919.58

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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.