Home / 866,698.99-1,299,794.24-326,565.57

Finding the Fourth Proportional to 866,698.99, 1,299,794.24 and 326,565.57

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Solution

The fourth proportional to 866,698.99, 1,299,794.24 and 326,565.57 is: 489,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,698.99 : 1,299,794.24 = 326,565.57 : x
  2. Step 2: Convert to fraction form
    866,698.99/1,299,794.24 = 326,565.57/x
  3. Step 3: Cross multiply
    866,698.99x = 1,299,794.24 × 326,565.57
  4. Step 4: Simplify right side
    866,698.99x = 424,468,052,558.96
  5. Step 5: Solve for x
    x = 424,468,052,558.96/866,698.99
  6. Step 6: Final answer
    x = 489,752.57

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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.