Home / 802,700.28-1,204,115.94-403,135.56

Finding the Fourth Proportional to 802,700.28, 1,204,115.94 and 403,135.56

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Solution

The fourth proportional to 802,700.28, 1,204,115.94 and 403,135.56 is: 604,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,700.28 : 1,204,115.94 = 403,135.56 : x
  2. Step 2: Convert to fraction form
    802,700.28/1,204,115.94 = 403,135.56/x
  3. Step 3: Cross multiply
    802,700.28x = 1,204,115.94 × 403,135.56
  4. Step 4: Simplify right side
    802,700.28x = 485,421,953,776.83
  5. Step 5: Solve for x
    x = 485,421,953,776.83/802,700.28
  6. Step 6: Final answer
    x = 604,736.25

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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.