Home / 672,556.60-1,008,834.90-495,409.60

Finding the Fourth Proportional to 672,556.60, 1,008,834.90 and 495,409.60

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Solution

The fourth proportional to 672,556.60, 1,008,834.90 and 495,409.60 is: 743,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,556.60 : 1,008,834.90 = 495,409.60 : x
  2. Step 2: Convert to fraction form
    672,556.60/1,008,834.90 = 495,409.60/x
  3. Step 3: Cross multiply
    672,556.60x = 1,008,834.90 × 495,409.60
  4. Step 4: Simplify right side
    672,556.60x = 499,786,494,275.04
  5. Step 5: Solve for x
    x = 499,786,494,275.04/672,556.60
  6. Step 6: Final answer
    x = 743,114.40

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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.