Home / 778,639.20-1,167,958.80-463,711.20

Finding the Fourth Proportional to 778,639.20, 1,167,958.80 and 463,711.20

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Solution

The fourth proportional to 778,639.20, 1,167,958.80 and 463,711.20 is: 695,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,639.20 : 1,167,958.80 = 463,711.20 : x
  2. Step 2: Convert to fraction form
    778,639.20/1,167,958.80 = 463,711.20/x
  3. Step 3: Cross multiply
    778,639.20x = 1,167,958.80 × 463,711.20
  4. Step 4: Simplify right side
    778,639.20x = 541,595,576,698.56
  5. Step 5: Solve for x
    x = 541,595,576,698.56/778,639.20
  6. Step 6: Final answer
    x = 695,566.80

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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.