Home / 721,705.60-1,082,817.60-301,110.40

Finding the Fourth Proportional to 721,705.60, 1,082,817.60 and 301,110.40

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Solution

The fourth proportional to 721,705.60, 1,082,817.60 and 301,110.40 is: 451,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,705.60 : 1,082,817.60 = 301,110.40 : x
  2. Step 2: Convert to fraction form
    721,705.60/1,082,817.60 = 301,110.40/x
  3. Step 3: Cross multiply
    721,705.60x = 1,082,817.60 × 301,110.40
  4. Step 4: Simplify right side
    721,705.60x = 326,047,640,663.04
  5. Step 5: Solve for x
    x = 326,047,640,663.04/721,705.60
  6. Step 6: Final answer
    x = 451,773.74

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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.