Home / 856,467.29-1,284,600.85-344,111.68

Finding the Fourth Proportional to 856,467.29, 1,284,600.85 and 344,111.68

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Solution

The fourth proportional to 856,467.29, 1,284,600.85 and 344,111.68 is: 516,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,467.29 : 1,284,600.85 = 344,111.68 : x
  2. Step 2: Convert to fraction form
    856,467.29/1,284,600.85 = 344,111.68/x
  3. Step 3: Cross multiply
    856,467.29x = 1,284,600.85 × 344,111.68
  4. Step 4: Simplify right side
    856,467.29x = 442,046,156,622.93
  5. Step 5: Solve for x
    x = 442,046,156,622.93/856,467.29
  6. Step 6: Final answer
    x = 516,127.31

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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.