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Finding the Fourth Proportional to 610,917.60, 916,606.80 and 295,653.60

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Solution

The fourth proportional to 610,917.60, 916,606.80 and 295,653.60 is: 443,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,917.60 : 916,606.80 = 295,653.60 : x
  2. Step 2: Convert to fraction form
    610,917.60/916,606.80 = 295,653.60/x
  3. Step 3: Cross multiply
    610,917.60x = 916,606.80 × 295,653.60
  4. Step 4: Simplify right side
    610,917.60x = 270,998,100,204.48
  5. Step 5: Solve for x
    x = 270,998,100,204.48/610,917.60
  6. Step 6: Final answer
    x = 443,591.90

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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.