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Finding the Fourth Proportional to 880,102.80, 1,318,404.60 and 480,027.60

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Solution

The fourth proportional to 880,102.80, 1,318,404.60 and 480,027.60 is: 719,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,102.80 : 1,318,404.60 = 480,027.60 : x
  2. Step 2: Convert to fraction form
    880,102.80/1,318,404.60 = 480,027.60/x
  3. Step 3: Cross multiply
    880,102.80x = 1,318,404.60 × 480,027.60
  4. Step 4: Simplify right side
    880,102.80x = 632,870,595,966.96
  5. Step 5: Solve for x
    x = 632,870,595,966.96/880,102.80
  6. Step 6: Final answer
    x = 719,087.13

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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.