Home / 755,603.28-1,042,776.20-433,310.80

Finding the Fourth Proportional to 755,603.28, 1,042,776.20 and 433,310.80

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Solution

The fourth proportional to 755,603.28, 1,042,776.20 and 433,310.80 is: 597,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,603.28 : 1,042,776.20 = 433,310.80 : x
  2. Step 2: Convert to fraction form
    755,603.28/1,042,776.20 = 433,310.80/x
  3. Step 3: Cross multiply
    755,603.28x = 1,042,776.20 × 433,310.80
  4. Step 4: Simplify right side
    755,603.28x = 451,846,189,442.96
  5. Step 5: Solve for x
    x = 451,846,189,442.96/755,603.28
  6. Step 6: Final answer
    x = 597,993.95

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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.