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Finding the Fourth Proportional to 495,455.76, 743,071.68 and 229,070.76

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Solution

The fourth proportional to 495,455.76, 743,071.68 and 229,070.76 is: 343,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,455.76 : 743,071.68 = 229,070.76 : x
  2. Step 2: Convert to fraction form
    495,455.76/743,071.68 = 229,070.76/x
  3. Step 3: Cross multiply
    495,455.76x = 743,071.68 × 229,070.76
  4. Step 4: Simplify right side
    495,455.76x = 170,215,994,472.08
  5. Step 5: Solve for x
    x = 170,215,994,472.08/495,455.76
  6. Step 6: Final answer
    x = 343,554.38

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1.5x scale

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.