Home / 756,163.86-1,134,267.42-282,758.82

Finding the Fourth Proportional to 756,163.86, 1,134,267.42 and 282,758.82

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Solution

The fourth proportional to 756,163.86, 1,134,267.42 and 282,758.82 is: 424,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,163.86 : 1,134,267.42 = 282,758.82 : x
  2. Step 2: Convert to fraction form
    756,163.86/1,134,267.42 = 282,758.82/x
  3. Step 3: Cross multiply
    756,163.86x = 1,134,267.42 × 282,758.82
  4. Step 4: Simplify right side
    756,163.86x = 320,724,117,243.64
  5. Step 5: Solve for x
    x = 320,724,117,243.64/756,163.86
  6. Step 6: Final answer
    x = 424,146.32

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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.