Home / 886,864.80-1,330,167.60-255,712.80

Finding the Fourth Proportional to 886,864.80, 1,330,167.60 and 255,712.80

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Solution

The fourth proportional to 886,864.80, 1,330,167.60 and 255,712.80 is: 383,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,864.80 : 1,330,167.60 = 255,712.80 : x
  2. Step 2: Convert to fraction form
    886,864.80/1,330,167.60 = 255,712.80/x
  3. Step 3: Cross multiply
    886,864.80x = 1,330,167.60 × 255,712.80
  4. Step 4: Simplify right side
    886,864.80x = 340,140,881,465.28
  5. Step 5: Solve for x
    x = 340,140,881,465.28/886,864.80
  6. Step 6: Final answer
    x = 383,531.83

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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.