Home / 802,989.15-1,108,153.25-440,414.45

Finding the Fourth Proportional to 802,989.15, 1,108,153.25 and 440,414.45

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Solution

The fourth proportional to 802,989.15, 1,108,153.25 and 440,414.45 is: 607,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,989.15 : 1,108,153.25 = 440,414.45 : x
  2. Step 2: Convert to fraction form
    802,989.15/1,108,153.25 = 440,414.45/x
  3. Step 3: Cross multiply
    802,989.15x = 1,108,153.25 × 440,414.45
  4. Step 4: Simplify right side
    802,989.15x = 488,046,704,114.46
  5. Step 5: Solve for x
    x = 488,046,704,114.46/802,989.15
  6. Step 6: Final answer
    x = 607,787.42

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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.