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Finding the Fourth Proportional to 648,370.10, 970,805.55 and 648,370.10

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Solution

The fourth proportional to 648,370.10, 970,805.55 and 648,370.10 is: 970,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,370.10 : 970,805.55 = 648,370.10 : x
  2. Step 2: Convert to fraction form
    648,370.10/970,805.55 = 648,370.10/x
  3. Step 3: Cross multiply
    648,370.10x = 970,805.55 × 648,370.10
  4. Step 4: Simplify right side
    648,370.10x = 629,441,291,534.06
  5. Step 5: Solve for x
    x = 629,441,291,534.06/648,370.10
  6. Step 6: Final answer
    x = 970,805.55

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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.