Home / 901,644.28-1,350,319.50-521,764.40

Finding the Fourth Proportional to 901,644.28, 1,350,319.50 and 521,764.40

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Solution

The fourth proportional to 901,644.28, 1,350,319.50 and 521,764.40 is: 781,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,644.28 : 1,350,319.50 = 521,764.40 : x
  2. Step 2: Convert to fraction form
    901,644.28/1,350,319.50 = 521,764.40/x
  3. Step 3: Cross multiply
    901,644.28x = 1,350,319.50 × 521,764.40
  4. Step 4: Simplify right side
    901,644.28x = 704,548,643,725.80
  5. Step 5: Solve for x
    x = 704,548,643,725.80/901,644.28
  6. Step 6: Final answer
    x = 781,404.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.