Home / 801,317.52-1,105,775.76-438,671.16

Finding the Fourth Proportional to 801,317.52, 1,105,775.76 and 438,671.16

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Solution

The fourth proportional to 801,317.52, 1,105,775.76 and 438,671.16 is: 605,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,317.52 : 1,105,775.76 = 438,671.16 : x
  2. Step 2: Convert to fraction form
    801,317.52/1,105,775.76 = 438,671.16/x
  3. Step 3: Cross multiply
    801,317.52x = 1,105,775.76 × 438,671.16
  4. Step 4: Simplify right side
    801,317.52x = 485,071,935,339.08
  5. Step 5: Solve for x
    x = 485,071,935,339.08/801,317.52
  6. Step 6: Final answer
    x = 605,342.98

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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.