Home / 495,877.20-743,815.80-306,920.40

Finding the Fourth Proportional to 495,877.20, 743,815.80 and 306,920.40

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Solution

The fourth proportional to 495,877.20, 743,815.80 and 306,920.40 is: 460,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,877.20 : 743,815.80 = 306,920.40 : x
  2. Step 2: Convert to fraction form
    495,877.20/743,815.80 = 306,920.40/x
  3. Step 3: Cross multiply
    495,877.20x = 743,815.80 × 306,920.40
  4. Step 4: Simplify right side
    495,877.20x = 228,292,242,862.32
  5. Step 5: Solve for x
    x = 228,292,242,862.32/495,877.20
  6. Step 6: Final answer
    x = 460,380.60

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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.