Home / 820,084.88-1,131,105.92-602,224.86

Finding the Fourth Proportional to 820,084.88, 1,131,105.92 and 602,224.86

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Solution

The fourth proportional to 820,084.88, 1,131,105.92 and 602,224.86 is: 830,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,084.88 : 1,131,105.92 = 602,224.86 : x
  2. Step 2: Convert to fraction form
    820,084.88/1,131,105.92 = 602,224.86/x
  3. Step 3: Cross multiply
    820,084.88x = 1,131,105.92 × 602,224.86
  4. Step 4: Simplify right side
    820,084.88x = 681,180,104,317.17
  5. Step 5: Solve for x
    x = 681,180,104,317.17/820,084.88
  6. Step 6: Final answer
    x = 830,621.46

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1.5x scale

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.