Home / 748,469.80-1,122,688.58-208,711.70

Finding the Fourth Proportional to 748,469.80, 1,122,688.58 and 208,711.70

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Solution

The fourth proportional to 748,469.80, 1,122,688.58 and 208,711.70 is: 313,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,469.80 : 1,122,688.58 = 208,711.70 : x
  2. Step 2: Convert to fraction form
    748,469.80/1,122,688.58 = 208,711.70/x
  3. Step 3: Cross multiply
    748,469.80x = 1,122,688.58 × 208,711.70
  4. Step 4: Simplify right side
    748,469.80x = 234,318,242,102.39
  5. Step 5: Solve for x
    x = 234,318,242,102.39/748,469.80
  6. Step 6: Final answer
    x = 313,063.05

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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.