Home / 800,032.71-1,200,050.25-326,718.09

Finding the Fourth Proportional to 800,032.71, 1,200,050.25 and 326,718.09

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Solution

The fourth proportional to 800,032.71, 1,200,050.25 and 326,718.09 is: 490,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,032.71 : 1,200,050.25 = 326,718.09 : x
  2. Step 2: Convert to fraction form
    800,032.71/1,200,050.25 = 326,718.09/x
  3. Step 3: Cross multiply
    800,032.71x = 1,200,050.25 × 326,718.09
  4. Step 4: Simplify right side
    800,032.71x = 392,078,125,584.02
  5. Step 5: Solve for x
    x = 392,078,125,584.02/800,032.71
  6. Step 6: Final answer
    x = 490,077.62

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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.