Home / 762,663.33-1,143,288.81-282,623.85

Finding the Fourth Proportional to 762,663.33, 1,143,288.81 and 282,623.85

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Solution

The fourth proportional to 762,663.33, 1,143,288.81 and 282,623.85 is: 423,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,663.33 : 1,143,288.81 = 282,623.85 : x
  2. Step 2: Convert to fraction form
    762,663.33/1,143,288.81 = 282,623.85/x
  3. Step 3: Cross multiply
    762,663.33x = 1,143,288.81 × 282,623.85
  4. Step 4: Simplify right side
    762,663.33x = 323,120,685,144.12
  5. Step 5: Solve for x
    x = 323,120,685,144.12/762,663.33
  6. Step 6: Final answer
    x = 423,674.08

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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.