Home / 907,975.52-1,361,174.16-458,321.84

Finding the Fourth Proportional to 907,975.52, 1,361,174.16 and 458,321.84

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Solution

The fourth proportional to 907,975.52, 1,361,174.16 and 458,321.84 is: 687,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,975.52 : 1,361,174.16 = 458,321.84 : x
  2. Step 2: Convert to fraction form
    907,975.52/1,361,174.16 = 458,321.84/x
  3. Step 3: Cross multiply
    907,975.52x = 1,361,174.16 × 458,321.84
  4. Step 4: Simplify right side
    907,975.52x = 623,855,845,571.65
  5. Step 5: Solve for x
    x = 623,855,845,571.65/907,975.52
  6. Step 6: Final answer
    x = 687,084.43

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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.