Home / 800,854.70-1,200,927.81-239,784.62

Finding the Fourth Proportional to 800,854.70, 1,200,927.81 and 239,784.62

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Solution

The fourth proportional to 800,854.70, 1,200,927.81 and 239,784.62 is: 359,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,854.70 : 1,200,927.81 = 239,784.62 : x
  2. Step 2: Convert to fraction form
    800,854.70/1,200,927.81 = 239,784.62/x
  3. Step 3: Cross multiply
    800,854.70x = 1,200,927.81 × 239,784.62
  4. Step 4: Simplify right side
    800,854.70x = 287,964,018,568.28
  5. Step 5: Solve for x
    x = 287,964,018,568.28/800,854.70
  6. Step 6: Final answer
    x = 359,570.87

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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.