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Finding the Fourth Proportional to 495,627.80, 743,441.70 and 470,039.90

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Solution

The fourth proportional to 495,627.80, 743,441.70 and 470,039.90 is: 705,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,627.80 : 743,441.70 = 470,039.90 : x
  2. Step 2: Convert to fraction form
    495,627.80/743,441.70 = 470,039.90/x
  3. Step 3: Cross multiply
    495,627.80x = 743,441.70 × 470,039.90
  4. Step 4: Simplify right side
    495,627.80x = 349,447,262,323.83
  5. Step 5: Solve for x
    x = 349,447,262,323.83/495,627.80
  6. Step 6: Final answer
    x = 705,059.85

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Similar ratio
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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.