Home / 810,022.23-1,215,205.20-277,400.25

Finding the Fourth Proportional to 810,022.23, 1,215,205.20 and 277,400.25

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Solution

The fourth proportional to 810,022.23, 1,215,205.20 and 277,400.25 is: 416,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,022.23 : 1,215,205.20 = 277,400.25 : x
  2. Step 2: Convert to fraction form
    810,022.23/1,215,205.20 = 277,400.25/x
  3. Step 3: Cross multiply
    810,022.23x = 1,215,205.20 × 277,400.25
  4. Step 4: Simplify right side
    810,022.23x = 337,098,226,281.30
  5. Step 5: Solve for x
    x = 337,098,226,281.30/810,022.23
  6. Step 6: Final answer
    x = 416,159.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.