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Finding the Fourth Proportional to 490,539.60, 735,809.40 and 366,123.60

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Solution

The fourth proportional to 490,539.60, 735,809.40 and 366,123.60 is: 549,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,539.60 : 735,809.40 = 366,123.60 : x
  2. Step 2: Convert to fraction form
    490,539.60/735,809.40 = 366,123.60/x
  3. Step 3: Cross multiply
    490,539.60x = 735,809.40 × 366,123.60
  4. Step 4: Simplify right side
    490,539.60x = 269,397,186,441.84
  5. Step 5: Solve for x
    x = 269,397,186,441.84/490,539.60
  6. Step 6: Final answer
    x = 549,185.40

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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.