Home / 790,818.66-1,185,982.64-285,313.92

Finding the Fourth Proportional to 790,818.66, 1,185,982.64 and 285,313.92

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Solution

The fourth proportional to 790,818.66, 1,185,982.64 and 285,313.92 is: 427,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,818.66 : 1,185,982.64 = 285,313.92 : x
  2. Step 2: Convert to fraction form
    790,818.66/1,185,982.64 = 285,313.92/x
  3. Step 3: Cross multiply
    790,818.66x = 1,185,982.64 × 285,313.92
  4. Step 4: Simplify right side
    790,818.66x = 338,377,354,643.78
  5. Step 5: Solve for x
    x = 338,377,354,643.78/790,818.66
  6. Step 6: Final answer
    x = 427,882.36

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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.