Home / 820,664.07-1,233,160.98-441,864.87

Finding the Fourth Proportional to 820,664.07, 1,233,160.98 and 441,864.87

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Solution

The fourth proportional to 820,664.07, 1,233,160.98 and 441,864.87 is: 663,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,664.07 : 1,233,160.98 = 441,864.87 : x
  2. Step 2: Convert to fraction form
    820,664.07/1,233,160.98 = 441,864.87/x
  3. Step 3: Cross multiply
    820,664.07x = 1,233,160.98 × 441,864.87
  4. Step 4: Simplify right side
    820,664.07x = 544,890,516,116.77
  5. Step 5: Solve for x
    x = 544,890,516,116.77/820,664.07
  6. Step 6: Final answer
    x = 663,962.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.