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Finding the Fourth Proportional to 702,600.72, 970,147.92 and 648,866.08

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Solution

The fourth proportional to 702,600.72, 970,147.92 and 648,866.08 is: 895,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,600.72 : 970,147.92 = 648,866.08 : x
  2. Step 2: Convert to fraction form
    702,600.72/970,147.92 = 648,866.08/x
  3. Step 3: Cross multiply
    702,600.72x = 970,147.92 × 648,866.08
  4. Step 4: Simplify right side
    702,600.72x = 629,496,077,870.55
  5. Step 5: Solve for x
    x = 629,496,077,870.55/702,600.72
  6. Step 6: Final answer
    x = 895,951.37

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1.5x scale

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.