Home / 801,346.76-1,105,854.49-438,764.03

Finding the Fourth Proportional to 801,346.76, 1,105,854.49 and 438,764.03

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Solution

The fourth proportional to 801,346.76, 1,105,854.49 and 438,764.03 is: 605,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,346.76 : 1,105,854.49 = 438,764.03 : x
  2. Step 2: Convert to fraction form
    801,346.76/1,105,854.49 = 438,764.03/x
  3. Step 3: Cross multiply
    801,346.76x = 1,105,854.49 × 438,764.03
  4. Step 4: Simplify right side
    801,346.76x = 485,209,172,626.00
  5. Step 5: Solve for x
    x = 485,209,172,626.00/801,346.76
  6. Step 6: Final answer
    x = 605,492.15

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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.