Home / 908,191.60-1,362,287.40-488,287.60

Finding the Fourth Proportional to 908,191.60, 1,362,287.40 and 488,287.60

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Solution

The fourth proportional to 908,191.60, 1,362,287.40 and 488,287.60 is: 732,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,191.60 : 1,362,287.40 = 488,287.60 : x
  2. Step 2: Convert to fraction form
    908,191.60/1,362,287.40 = 488,287.60/x
  3. Step 3: Cross multiply
    908,191.60x = 1,362,287.40 × 488,287.60
  4. Step 4: Simplify right side
    908,191.60x = 665,188,045,056.24
  5. Step 5: Solve for x
    x = 665,188,045,056.24/908,191.60
  6. Step 6: Final answer
    x = 732,431.40

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Half scale
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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.