Home / 802,145.16-1,106,960.50-479,868.68

Finding the Fourth Proportional to 802,145.16, 1,106,960.50 and 479,868.68

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Solution

The fourth proportional to 802,145.16, 1,106,960.50 and 479,868.68 is: 662,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,145.16 : 1,106,960.50 = 479,868.68 : x
  2. Step 2: Convert to fraction form
    802,145.16/1,106,960.50 = 479,868.68/x
  3. Step 3: Cross multiply
    802,145.16x = 1,106,960.50 × 479,868.68
  4. Step 4: Simplify right side
    802,145.16x = 531,195,673,947.14
  5. Step 5: Solve for x
    x = 531,195,673,947.14/802,145.16
  6. Step 6: Final answer
    x = 662,218.89

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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.