Home / 971,759.79-1,340,731.29-563,720.26

Finding the Fourth Proportional to 971,759.79, 1,340,731.29 and 563,720.26

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Solution

The fourth proportional to 971,759.79, 1,340,731.29 and 563,720.26 is: 777,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,759.79 : 1,340,731.29 = 563,720.26 : x
  2. Step 2: Convert to fraction form
    971,759.79/1,340,731.29 = 563,720.26/x
  3. Step 3: Cross multiply
    971,759.79x = 1,340,731.29 × 563,720.26
  4. Step 4: Simplify right side
    971,759.79x = 755,797,391,388.94
  5. Step 5: Solve for x
    x = 755,797,391,388.94/971,759.79
  6. Step 6: Final answer
    x = 777,761.54

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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.