Home / 789,222.79-1,088,869.33-482,979.92

Finding the Fourth Proportional to 789,222.79, 1,088,869.33 and 482,979.92

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Solution

The fourth proportional to 789,222.79, 1,088,869.33 and 482,979.92 is: 666,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,222.79 : 1,088,869.33 = 482,979.92 : x
  2. Step 2: Convert to fraction form
    789,222.79/1,088,869.33 = 482,979.92/x
  3. Step 3: Cross multiply
    789,222.79x = 1,088,869.33 × 482,979.92
  4. Step 4: Simplify right side
    789,222.79x = 525,902,017,053.23
  5. Step 5: Solve for x
    x = 525,902,017,053.23/789,222.79
  6. Step 6: Final answer
    x = 666,354.32

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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.