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Finding the Fourth Proportional to 498,412.60, 746,727.90 and 303,310.60

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Solution

The fourth proportional to 498,412.60, 746,727.90 and 303,310.60 is: 454,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,412.60 : 746,727.90 = 303,310.60 : x
  2. Step 2: Convert to fraction form
    498,412.60/746,727.90 = 303,310.60/x
  3. Step 3: Cross multiply
    498,412.60x = 746,727.90 × 303,310.60
  4. Step 4: Simplify right side
    498,412.60x = 226,490,487,385.74
  5. Step 5: Solve for x
    x = 226,490,487,385.74/498,412.60
  6. Step 6: Final answer
    x = 454,423.68

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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.