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Finding the Fourth Proportional to 633,915.54, 952,057.94 and 558,041.22

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Solution

The fourth proportional to 633,915.54, 952,057.94 and 558,041.22 is: 838,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,915.54 : 952,057.94 = 558,041.22 : x
  2. Step 2: Convert to fraction form
    633,915.54/952,057.94 = 558,041.22/x
  3. Step 3: Cross multiply
    633,915.54x = 952,057.94 × 558,041.22
  4. Step 4: Simplify right side
    633,915.54x = 531,287,571,558.08
  5. Step 5: Solve for x
    x = 531,287,571,558.08/633,915.54
  6. Step 6: Final answer
    x = 838,104.67

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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.