Home / 712,516.64-1,067,078.81-412,364.66

Finding the Fourth Proportional to 712,516.64, 1,067,078.81 and 412,364.66

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Solution

The fourth proportional to 712,516.64, 1,067,078.81 and 412,364.66 is: 617,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,516.64 : 1,067,078.81 = 412,364.66 : x
  2. Step 2: Convert to fraction form
    712,516.64/1,067,078.81 = 412,364.66/x
  3. Step 3: Cross multiply
    712,516.64x = 1,067,078.81 × 412,364.66
  4. Step 4: Simplify right side
    712,516.64x = 440,025,586,374.37
  5. Step 5: Solve for x
    x = 440,025,586,374.37/712,516.64
  6. Step 6: Final answer
    x = 617,565.35

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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.