Home / 816,528.30-1,224,840.12-247,927.95

Finding the Fourth Proportional to 816,528.30, 1,224,840.12 and 247,927.95

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Solution

The fourth proportional to 816,528.30, 1,224,840.12 and 247,927.95 is: 371,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,528.30 : 1,224,840.12 = 247,927.95 : x
  2. Step 2: Convert to fraction form
    816,528.30/1,224,840.12 = 247,927.95/x
  3. Step 3: Cross multiply
    816,528.30x = 1,224,840.12 × 247,927.95
  4. Step 4: Simplify right side
    816,528.30x = 303,672,100,029.35
  5. Step 5: Solve for x
    x = 303,672,100,029.35/816,528.30
  6. Step 6: Final answer
    x = 371,906.40

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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.