Home / 995,419.80-1,373,620.12-565,640.28

Finding the Fourth Proportional to 995,419.80, 1,373,620.12 and 565,640.28

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Solution

The fourth proportional to 995,419.80, 1,373,620.12 and 565,640.28 is: 780,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,419.80 : 1,373,620.12 = 565,640.28 : x
  2. Step 2: Convert to fraction form
    995,419.80/1,373,620.12 = 565,640.28/x
  3. Step 3: Cross multiply
    995,419.80x = 1,373,620.12 × 565,640.28
  4. Step 4: Simplify right side
    995,419.80x = 776,974,869,290.43
  5. Step 5: Solve for x
    x = 776,974,869,290.43/995,419.80
  6. Step 6: Final answer
    x = 780,549.94

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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.