Home / 801,437.74-1,105,984.05-438,883.76

Finding the Fourth Proportional to 801,437.74, 1,105,984.05 and 438,883.76

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Solution

The fourth proportional to 801,437.74, 1,105,984.05 and 438,883.76 is: 605,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,437.74 : 1,105,984.05 = 438,883.76 : x
  2. Step 2: Convert to fraction form
    801,437.74/1,105,984.05 = 438,883.76/x
  3. Step 3: Cross multiply
    801,437.74x = 1,105,984.05 × 438,883.76
  4. Step 4: Simplify right side
    801,437.74x = 485,398,438,364.03
  5. Step 5: Solve for x
    x = 485,398,438,364.03/801,437.74
  6. Step 6: Final answer
    x = 605,659.58

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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.