Home / 700,944.40-1,049,861.40-280,003.60

Finding the Fourth Proportional to 700,944.40, 1,049,861.40 and 280,003.60

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Solution

The fourth proportional to 700,944.40, 1,049,861.40 and 280,003.60 is: 419,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,944.40 : 1,049,861.40 = 280,003.60 : x
  2. Step 2: Convert to fraction form
    700,944.40/1,049,861.40 = 280,003.60/x
  3. Step 3: Cross multiply
    700,944.40x = 1,049,861.40 × 280,003.60
  4. Step 4: Simplify right side
    700,944.40x = 293,964,971,501.04
  5. Step 5: Solve for x
    x = 293,964,971,501.04/700,944.40
  6. Step 6: Final answer
    x = 419,384.15

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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.