Home / 495,829.60-743,744.40-285,877.60

Finding the Fourth Proportional to 495,829.60, 743,744.40 and 285,877.60

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Solution

The fourth proportional to 495,829.60, 743,744.40 and 285,877.60 is: 428,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,829.60 : 743,744.40 = 285,877.60 : x
  2. Step 2: Convert to fraction form
    495,829.60/743,744.40 = 285,877.60/x
  3. Step 3: Cross multiply
    495,829.60x = 743,744.40 × 285,877.60
  4. Step 4: Simplify right side
    495,829.60x = 212,619,864,085.44
  5. Step 5: Solve for x
    x = 212,619,864,085.44/495,829.60
  6. Step 6: Final answer
    x = 428,816.40

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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.