Home / 495,881.60-743,822.40-306,492.80

Finding the Fourth Proportional to 495,881.60, 743,822.40 and 306,492.80

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Solution

The fourth proportional to 495,881.60, 743,822.40 and 306,492.80 is: 459,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,881.60 : 743,822.40 = 306,492.80 : x
  2. Step 2: Convert to fraction form
    495,881.60/743,822.40 = 306,492.80/x
  3. Step 3: Cross multiply
    495,881.60x = 743,822.40 × 306,492.80
  4. Step 4: Simplify right side
    495,881.60x = 227,976,210,078.72
  5. Step 5: Solve for x
    x = 227,976,210,078.72/495,881.60
  6. Step 6: Final answer
    x = 459,739.20

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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.