Home / 971,755.79-1,340,725.77-563,716.26

Finding the Fourth Proportional to 971,755.79, 1,340,725.77 and 563,716.26

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Solution

The fourth proportional to 971,755.79, 1,340,725.77 and 563,716.26 is: 777,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,755.79 : 1,340,725.77 = 563,716.26 : x
  2. Step 2: Convert to fraction form
    971,755.79/1,340,725.77 = 563,716.26/x
  3. Step 3: Cross multiply
    971,755.79x = 1,340,725.77 × 563,716.26
  4. Step 4: Simplify right side
    971,755.79x = 755,788,916,750.02
  5. Step 5: Solve for x
    x = 755,788,916,750.02/971,755.79
  6. Step 6: Final answer
    x = 777,756.03

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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.