Home / 862,438.59-1,293,854.72-263,484.90

Finding the Fourth Proportional to 862,438.59, 1,293,854.72 and 263,484.90

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Solution

The fourth proportional to 862,438.59, 1,293,854.72 and 263,484.90 is: 395,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,438.59 : 1,293,854.72 = 263,484.90 : x
  2. Step 2: Convert to fraction form
    862,438.59/1,293,854.72 = 263,484.90/x
  3. Step 3: Cross multiply
    862,438.59x = 1,293,854.72 × 263,484.90
  4. Step 4: Simplify right side
    862,438.59x = 340,911,180,196.30
  5. Step 5: Solve for x
    x = 340,911,180,196.30/862,438.59
  6. Step 6: Final answer
    x = 395,287.48

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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.