Home / 745,815.75-1,118,723.64-247,179.75

Finding the Fourth Proportional to 745,815.75, 1,118,723.64 and 247,179.75

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Solution

The fourth proportional to 745,815.75, 1,118,723.64 and 247,179.75 is: 370,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,815.75 : 1,118,723.64 = 247,179.75 : x
  2. Step 2: Convert to fraction form
    745,815.75/1,118,723.64 = 247,179.75/x
  3. Step 3: Cross multiply
    745,815.75x = 1,118,723.64 × 247,179.75
  4. Step 4: Simplify right side
    745,815.75x = 276,525,829,654.29
  5. Step 5: Solve for x
    x = 276,525,829,654.29/745,815.75
  6. Step 6: Final answer
    x = 370,769.63

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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.