Home / 888,246.40-1,332,369.60-389,610.40

Finding the Fourth Proportional to 888,246.40, 1,332,369.60 and 389,610.40

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Solution

The fourth proportional to 888,246.40, 1,332,369.60 and 389,610.40 is: 584,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,246.40 : 1,332,369.60 = 389,610.40 : x
  2. Step 2: Convert to fraction form
    888,246.40/1,332,369.60 = 389,610.40/x
  3. Step 3: Cross multiply
    888,246.40x = 1,332,369.60 × 389,610.40
  4. Step 4: Simplify right side
    888,246.40x = 519,105,052,803.84
  5. Step 5: Solve for x
    x = 519,105,052,803.84/888,246.40
  6. Step 6: Final answer
    x = 584,415.60

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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.