Home / 888,086.50-1,225,588.53-485,678.50

Finding the Fourth Proportional to 888,086.50, 1,225,588.53 and 485,678.50

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Solution

The fourth proportional to 888,086.50, 1,225,588.53 and 485,678.50 is: 670,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,086.50 : 1,225,588.53 = 485,678.50 : x
  2. Step 2: Convert to fraction form
    888,086.50/1,225,588.53 = 485,678.50/x
  3. Step 3: Cross multiply
    888,086.50x = 1,225,588.53 × 485,678.50
  4. Step 4: Simplify right side
    888,086.50x = 595,241,998,867.61
  5. Step 5: Solve for x
    x = 595,241,998,867.61/888,086.50
  6. Step 6: Final answer
    x = 670,252.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.