Home / 743,609.16-1,115,214.48-322,785

Finding the Fourth Proportional to 743,609.16, 1,115,214.48 and 322,785

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Solution

The fourth proportional to 743,609.16, 1,115,214.48 and 322,785 is: 484,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,609.16 : 1,115,214.48 = 322,785 : x
  2. Step 2: Convert to fraction form
    743,609.16/1,115,214.48 = 322,785/x
  3. Step 3: Cross multiply
    743,609.16x = 1,115,214.48 × 322,785
  4. Step 4: Simplify right side
    743,609.16x = 359,974,505,926.80
  5. Step 5: Solve for x
    x = 359,974,505,926.80/743,609.16
  6. Step 6: Final answer
    x = 484,091.01

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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.