Home / 762,691.63-1,143,588.87-289,410.25

Finding the Fourth Proportional to 762,691.63, 1,143,588.87 and 289,410.25

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Solution

The fourth proportional to 762,691.63, 1,143,588.87 and 289,410.25 is: 433,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,691.63 : 1,143,588.87 = 289,410.25 : x
  2. Step 2: Convert to fraction form
    762,691.63/1,143,588.87 = 289,410.25/x
  3. Step 3: Cross multiply
    762,691.63x = 1,143,588.87 × 289,410.25
  4. Step 4: Simplify right side
    762,691.63x = 330,966,340,763.92
  5. Step 5: Solve for x
    x = 330,966,340,763.92/762,691.63
  6. Step 6: Final answer
    x = 433,945.16

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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.