Home / 856,464.92-1,284,597.29-344,109.29

Finding the Fourth Proportional to 856,464.92, 1,284,597.29 and 344,109.29

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Solution

The fourth proportional to 856,464.92, 1,284,597.29 and 344,109.29 is: 516,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,464.92 : 1,284,597.29 = 344,109.29 : x
  2. Step 2: Convert to fraction form
    856,464.92/1,284,597.29 = 344,109.29/x
  3. Step 3: Cross multiply
    856,464.92x = 1,284,597.29 × 344,109.29
  4. Step 4: Simplify right side
    856,464.92x = 442,041,861,397.82
  5. Step 5: Solve for x
    x = 442,041,861,397.82/856,464.92
  6. Step 6: Final answer
    x = 516,123.72

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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.