Home / 628,767.12-943,128.90-202,302.12

Finding the Fourth Proportional to 628,767.12, 943,128.90 and 202,302.12

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Solution

The fourth proportional to 628,767.12, 943,128.90 and 202,302.12 is: 303,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,767.12 : 943,128.90 = 202,302.12 : x
  2. Step 2: Convert to fraction form
    628,767.12/943,128.90 = 202,302.12/x
  3. Step 3: Cross multiply
    628,767.12x = 943,128.90 × 202,302.12
  4. Step 4: Simplify right side
    628,767.12x = 190,796,975,903.27
  5. Step 5: Solve for x
    x = 190,796,975,903.27/628,767.12
  6. Step 6: Final answer
    x = 303,446.17

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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.