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Finding the Fourth Proportional to 650,391.08, 974,773.32 and 313,368.44

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Solution

The fourth proportional to 650,391.08, 974,773.32 and 313,368.44 is: 469,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,391.08 : 974,773.32 = 313,368.44 : x
  2. Step 2: Convert to fraction form
    650,391.08/974,773.32 = 313,368.44/x
  3. Step 3: Cross multiply
    650,391.08x = 974,773.32 × 313,368.44
  4. Step 4: Simplify right side
    650,391.08x = 305,463,194,642.02
  5. Step 5: Solve for x
    x = 305,463,194,642.02/650,391.08
  6. Step 6: Final answer
    x = 469,660.80

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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.