Home / 889,956.52-1,228,228.05-508,040.80

Finding the Fourth Proportional to 889,956.52, 1,228,228.05 and 508,040.80

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Solution

The fourth proportional to 889,956.52, 1,228,228.05 and 508,040.80 is: 701,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,956.52 : 1,228,228.05 = 508,040.80 : x
  2. Step 2: Convert to fraction form
    889,956.52/1,228,228.05 = 508,040.80/x
  3. Step 3: Cross multiply
    889,956.52x = 1,228,228.05 × 508,040.80
  4. Step 4: Simplify right side
    889,956.52x = 623,989,961,104.44
  5. Step 5: Solve for x
    x = 623,989,961,104.44/889,956.52
  6. Step 6: Final answer
    x = 701,146.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.