Home / 908,911.20-1,361,811.60-576,098.40

Finding the Fourth Proportional to 908,911.20, 1,361,811.60 and 576,098.40

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Solution

The fourth proportional to 908,911.20, 1,361,811.60 and 576,098.40 is: 863,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,911.20 : 1,361,811.60 = 576,098.40 : x
  2. Step 2: Convert to fraction form
    908,911.20/1,361,811.60 = 576,098.40/x
  3. Step 3: Cross multiply
    908,911.20x = 1,361,811.60 × 576,098.40
  4. Step 4: Simplify right side
    908,911.20x = 784,537,483,861.44
  5. Step 5: Solve for x
    x = 784,537,483,861.44/908,911.20
  6. Step 6: Final answer
    x = 863,161.86

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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.