Home / 719,384.40-1,079,076.60-245,998.80

Finding the Fourth Proportional to 719,384.40, 1,079,076.60 and 245,998.80

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Solution

The fourth proportional to 719,384.40, 1,079,076.60 and 245,998.80 is: 368,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,384.40 : 1,079,076.60 = 245,998.80 : x
  2. Step 2: Convert to fraction form
    719,384.40/1,079,076.60 = 245,998.80/x
  3. Step 3: Cross multiply
    719,384.40x = 1,079,076.60 × 245,998.80
  4. Step 4: Simplify right side
    719,384.40x = 265,451,548,708.08
  5. Step 5: Solve for x
    x = 265,451,548,708.08/719,384.40
  6. Step 6: Final answer
    x = 368,998.20

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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.