Home / 762,814.80-1,143,493.20-282,914.10

Finding the Fourth Proportional to 762,814.80, 1,143,493.20 and 282,914.10

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Solution

The fourth proportional to 762,814.80, 1,143,493.20 and 282,914.10 is: 424,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,814.80 : 1,143,493.20 = 282,914.10 : x
  2. Step 2: Convert to fraction form
    762,814.80/1,143,493.20 = 282,914.10/x
  3. Step 3: Cross multiply
    762,814.80x = 1,143,493.20 × 282,914.10
  4. Step 4: Simplify right side
    762,814.80x = 323,510,349,534.12
  5. Step 5: Solve for x
    x = 323,510,349,534.12/762,814.80
  6. Step 6: Final answer
    x = 424,100.78

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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.