Home / 819,755.85-1,131,465.90-558,543.29

Finding the Fourth Proportional to 819,755.85, 1,131,465.90 and 558,543.29

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Solution

The fourth proportional to 819,755.85, 1,131,465.90 and 558,543.29 is: 770,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,755.85 : 1,131,465.90 = 558,543.29 : x
  2. Step 2: Convert to fraction form
    819,755.85/1,131,465.90 = 558,543.29/x
  3. Step 3: Cross multiply
    819,755.85x = 1,131,465.90 × 558,543.29
  4. Step 4: Simplify right side
    819,755.85x = 631,972,686,308.81
  5. Step 5: Solve for x
    x = 631,972,686,308.81/819,755.85
  6. Step 6: Final answer
    x = 770,927.94

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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.