Home / 751,834.65-1,127,878.34-372,774.09

Finding the Fourth Proportional to 751,834.65, 1,127,878.34 and 372,774.09

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Solution

The fourth proportional to 751,834.65, 1,127,878.34 and 372,774.09 is: 559,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,834.65 : 1,127,878.34 = 372,774.09 : x
  2. Step 2: Convert to fraction form
    751,834.65/1,127,878.34 = 372,774.09/x
  3. Step 3: Cross multiply
    751,834.65x = 1,127,878.34 × 372,774.09
  4. Step 4: Simplify right side
    751,834.65x = 420,443,819,960.34
  5. Step 5: Solve for x
    x = 420,443,819,960.34/751,834.65
  6. Step 6: Final answer
    x = 559,223.79

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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.