Home / 790,150.10-1,090,217.39-480,046.46

Finding the Fourth Proportional to 790,150.10, 1,090,217.39 and 480,046.46

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Solution

The fourth proportional to 790,150.10, 1,090,217.39 and 480,046.46 is: 662,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,150.10 : 1,090,217.39 = 480,046.46 : x
  2. Step 2: Convert to fraction form
    790,150.10/1,090,217.39 = 480,046.46/x
  3. Step 3: Cross multiply
    790,150.10x = 1,090,217.39 × 480,046.46
  4. Step 4: Simplify right side
    790,150.10x = 523,354,990,848.62
  5. Step 5: Solve for x
    x = 523,354,990,848.62/790,150.10
  6. Step 6: Final answer
    x = 662,348.83

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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.