Home / 790,594.20-1,091,020.41-428,018.13

Finding the Fourth Proportional to 790,594.20, 1,091,020.41 and 428,018.13

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Solution

The fourth proportional to 790,594.20, 1,091,020.41 and 428,018.13 is: 590,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,594.20 : 1,091,020.41 = 428,018.13 : x
  2. Step 2: Convert to fraction form
    790,594.20/1,091,020.41 = 428,018.13/x
  3. Step 3: Cross multiply
    790,594.20x = 1,091,020.41 × 428,018.13
  4. Step 4: Simplify right side
    790,594.20x = 466,976,515,680.03
  5. Step 5: Solve for x
    x = 466,976,515,680.03/790,594.20
  6. Step 6: Final answer
    x = 590,665.24

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Double scale
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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.