Home / 888,145.50-1,225,669.98-485,737.50

Finding the Fourth Proportional to 888,145.50, 1,225,669.98 and 485,737.50

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Solution

The fourth proportional to 888,145.50, 1,225,669.98 and 485,737.50 is: 670,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,145.50 : 1,225,669.98 = 485,737.50 : x
  2. Step 2: Convert to fraction form
    888,145.50/1,225,669.98 = 485,737.50/x
  3. Step 3: Cross multiply
    888,145.50x = 1,225,669.98 × 485,737.50
  4. Step 4: Simplify right side
    888,145.50x = 595,353,871,910.25
  5. Step 5: Solve for x
    x = 595,353,871,910.25/888,145.50
  6. Step 6: Final answer
    x = 670,333.71

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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.