Home / 801,070.80-1,105,442.24-438,509.94

Finding the Fourth Proportional to 801,070.80, 1,105,442.24 and 438,509.94

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Solution

The fourth proportional to 801,070.80, 1,105,442.24 and 438,509.94 is: 605,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,070.80 : 1,105,442.24 = 438,509.94 : x
  2. Step 2: Convert to fraction form
    801,070.80/1,105,442.24 = 438,509.94/x
  3. Step 3: Cross multiply
    801,070.80x = 1,105,442.24 × 438,509.94
  4. Step 4: Simplify right side
    801,070.80x = 484,747,408,143.32
  5. Step 5: Solve for x
    x = 484,747,408,143.32/801,070.80
  6. Step 6: Final answer
    x = 605,124.30

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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.