Home / 810,147.60-1,215,106.20-277,693.20

Finding the Fourth Proportional to 810,147.60, 1,215,106.20 and 277,693.20

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Solution

The fourth proportional to 810,147.60, 1,215,106.20 and 277,693.20 is: 416,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,147.60 : 1,215,106.20 = 277,693.20 : x
  2. Step 2: Convert to fraction form
    810,147.60/1,215,106.20 = 277,693.20/x
  3. Step 3: Cross multiply
    810,147.60x = 1,215,106.20 × 277,693.20
  4. Step 4: Simplify right side
    810,147.60x = 337,426,729,017.84
  5. Step 5: Solve for x
    x = 337,426,729,017.84/810,147.60
  6. Step 6: Final answer
    x = 416,500.31

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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.