Home / 591,187.50-815,838.84-322,915.50

Finding the Fourth Proportional to 591,187.50, 815,838.84 and 322,915.50

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Solution

The fourth proportional to 591,187.50, 815,838.84 and 322,915.50 is: 445,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,187.50 : 815,838.84 = 322,915.50 : x
  2. Step 2: Convert to fraction form
    591,187.50/815,838.84 = 322,915.50/x
  3. Step 3: Cross multiply
    591,187.50x = 815,838.84 × 322,915.50
  4. Step 4: Simplify right side
    591,187.50x = 263,447,006,938.02
  5. Step 5: Solve for x
    x = 263,447,006,938.02/591,187.50
  6. Step 6: Final answer
    x = 445,623.44

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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.