Home / 887,892.66-1,225,411.74-500,787.54

Finding the Fourth Proportional to 887,892.66, 1,225,411.74 and 500,787.54

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Solution

The fourth proportional to 887,892.66, 1,225,411.74 and 500,787.54 is: 691,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,892.66 : 1,225,411.74 = 500,787.54 : x
  2. Step 2: Convert to fraction form
    887,892.66/1,225,411.74 = 500,787.54/x
  3. Step 3: Cross multiply
    887,892.66x = 1,225,411.74 × 500,787.54
  4. Step 4: Simplify right side
    887,892.66x = 613,670,930,761.72
  5. Step 5: Solve for x
    x = 613,670,930,761.72/887,892.66
  6. Step 6: Final answer
    x = 691,154.41

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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.