Home / 888,143.73-1,225,564.32-500,937.81

Finding the Fourth Proportional to 888,143.73, 1,225,564.32 and 500,937.81

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Solution

The fourth proportional to 888,143.73, 1,225,564.32 and 500,937.81 is: 691,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,143.73 : 1,225,564.32 = 500,937.81 : x
  2. Step 2: Convert to fraction form
    888,143.73/1,225,564.32 = 500,937.81/x
  3. Step 3: Cross multiply
    888,143.73x = 1,225,564.32 × 500,937.81
  4. Step 4: Simplify right side
    888,143.73x = 613,931,506,474.94
  5. Step 5: Solve for x
    x = 613,931,506,474.94/888,143.73
  6. Step 6: Final answer
    x = 691,252.42

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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.