Home / 801,989.10-1,106,744.60-479,774.88

Finding the Fourth Proportional to 801,989.10, 1,106,744.60 and 479,774.88

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Solution

The fourth proportional to 801,989.10, 1,106,744.60 and 479,774.88 is: 662,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,989.10 : 1,106,744.60 = 479,774.88 : x
  2. Step 2: Convert to fraction form
    801,989.10/1,106,744.60 = 479,774.88/x
  3. Step 3: Cross multiply
    801,989.10x = 1,106,744.60 × 479,774.88
  4. Step 4: Simplify right side
    801,989.10x = 530,988,257,655.65
  5. Step 5: Solve for x
    x = 530,988,257,655.65/801,989.10
  6. Step 6: Final answer
    x = 662,089.12

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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.