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Finding the Fourth Proportional to 504,056.60, 756,084.90 and 492,246.80

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Solution

The fourth proportional to 504,056.60, 756,084.90 and 492,246.80 is: 738,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,056.60 : 756,084.90 = 492,246.80 : x
  2. Step 2: Convert to fraction form
    504,056.60/756,084.90 = 492,246.80/x
  3. Step 3: Cross multiply
    504,056.60x = 756,084.90 × 492,246.80
  4. Step 4: Simplify right side
    504,056.60x = 372,180,372,553.32
  5. Step 5: Solve for x
    x = 372,180,372,553.32/504,056.60
  6. Step 6: Final answer
    x = 738,370.20

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Double scale
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Similar ratio
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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.