Home / 801,348.02-1,105,856.21-438,765.29

Finding the Fourth Proportional to 801,348.02, 1,105,856.21 and 438,765.29

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Solution

The fourth proportional to 801,348.02, 1,105,856.21 and 438,765.29 is: 605,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,348.02 : 1,105,856.21 = 438,765.29 : x
  2. Step 2: Convert to fraction form
    801,348.02/1,105,856.21 = 438,765.29/x
  3. Step 3: Cross multiply
    801,348.02x = 1,105,856.21 × 438,765.29
  4. Step 4: Simplify right side
    801,348.02x = 485,211,312,955.84
  5. Step 5: Solve for x
    x = 485,211,312,955.84/801,348.02
  6. Step 6: Final answer
    x = 605,493.87

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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.