Home / 810,082.89-1,215,296.56-277,460.91

Finding the Fourth Proportional to 810,082.89, 1,215,296.56 and 277,460.91

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Solution

The fourth proportional to 810,082.89, 1,215,296.56 and 277,460.91 is: 416,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,082.89 : 1,215,296.56 = 277,460.91 : x
  2. Step 2: Convert to fraction form
    810,082.89/1,215,296.56 = 277,460.91/x
  3. Step 3: Cross multiply
    810,082.89x = 1,215,296.56 × 277,460.91
  4. Step 4: Simplify right side
    810,082.89x = 337,197,289,804.30
  5. Step 5: Solve for x
    x = 337,197,289,804.30/810,082.89
  6. Step 6: Final answer
    x = 416,250.35

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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.