Home / 521,082.36-777,242.48-473,245.38

Finding the Fourth Proportional to 521,082.36, 777,242.48 and 473,245.38

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Solution

The fourth proportional to 521,082.36, 777,242.48 and 473,245.38 is: 705,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,082.36 : 777,242.48 = 473,245.38 : x
  2. Step 2: Convert to fraction form
    521,082.36/777,242.48 = 473,245.38/x
  3. Step 3: Cross multiply
    521,082.36x = 777,242.48 × 473,245.38
  4. Step 4: Simplify right side
    521,082.36x = 367,826,410,433.52
  5. Step 5: Solve for x
    x = 367,826,410,433.52/521,082.36
  6. Step 6: Final answer
    x = 705,889.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.