Home / 648,220.40-972,207.48-274,505.84

Finding the Fourth Proportional to 648,220.40, 972,207.48 and 274,505.84

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Solution

The fourth proportional to 648,220.40, 972,207.48 and 274,505.84 is: 411,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,220.40 : 972,207.48 = 274,505.84 : x
  2. Step 2: Convert to fraction form
    648,220.40/972,207.48 = 274,505.84/x
  3. Step 3: Cross multiply
    648,220.40x = 972,207.48 × 274,505.84
  4. Step 4: Simplify right side
    648,220.40x = 266,876,630,951.68
  5. Step 5: Solve for x
    x = 266,876,630,951.68/648,220.40
  6. Step 6: Final answer
    x = 411,706.62

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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.