Home / 779,120.97-1,170,454.89-563,644.31

Finding the Fourth Proportional to 779,120.97, 1,170,454.89 and 563,644.31

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Solution

The fourth proportional to 779,120.97, 1,170,454.89 and 563,644.31 is: 846,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,120.97 : 1,170,454.89 = 563,644.31 : x
  2. Step 2: Convert to fraction form
    779,120.97/1,170,454.89 = 563,644.31/x
  3. Step 3: Cross multiply
    779,120.97x = 1,170,454.89 × 563,644.31
  4. Step 4: Simplify right side
    779,120.97x = 659,720,238,860.18
  5. Step 5: Solve for x
    x = 659,720,238,860.18/779,120.97
  6. Step 6: Final answer
    x = 846,749.43

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1.5x scale

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.