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Finding the Fourth Proportional to 651,633.60, 976,989.60 and 296,817.60

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Solution

The fourth proportional to 651,633.60, 976,989.60 and 296,817.60 is: 445,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,633.60 : 976,989.60 = 296,817.60 : x
  2. Step 2: Convert to fraction form
    651,633.60/976,989.60 = 296,817.60/x
  3. Step 3: Cross multiply
    651,633.60x = 976,989.60 × 296,817.60
  4. Step 4: Simplify right side
    651,633.60x = 289,987,708,296.96
  5. Step 5: Solve for x
    x = 289,987,708,296.96/651,633.60
  6. Step 6: Final answer
    x = 445,016.51

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1.5x scale

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.