Home / 889,435.78-1,334,190.60-258,349.60

Finding the Fourth Proportional to 889,435.78, 1,334,190.60 and 258,349.60

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Solution

The fourth proportional to 889,435.78, 1,334,190.60 and 258,349.60 is: 387,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,435.78 : 1,334,190.60 = 258,349.60 : x
  2. Step 2: Convert to fraction form
    889,435.78/1,334,190.60 = 258,349.60/x
  3. Step 3: Cross multiply
    889,435.78x = 1,334,190.60 × 258,349.60
  4. Step 4: Simplify right side
    889,435.78x = 344,687,607,833.76
  5. Step 5: Solve for x
    x = 344,687,607,833.76/889,435.78
  6. Step 6: Final answer
    x = 387,535.13

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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.