Home / 810,429.84-1,214,678.54-377,566.65

Finding the Fourth Proportional to 810,429.84, 1,214,678.54 and 377,566.65

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Solution

The fourth proportional to 810,429.84, 1,214,678.54 and 377,566.65 is: 565,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,429.84 : 1,214,678.54 = 377,566.65 : x
  2. Step 2: Convert to fraction form
    810,429.84/1,214,678.54 = 377,566.65/x
  3. Step 3: Cross multiply
    810,429.84x = 1,214,678.54 × 377,566.65
  4. Step 4: Simplify right side
    810,429.84x = 458,622,107,174.69
  5. Step 5: Solve for x
    x = 458,622,107,174.69/810,429.84
  6. Step 6: Final answer
    x = 565,899.83

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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.