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Finding the Fourth Proportional to 656,571.34, 984,463.35 and 318,947.14

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Solution

The fourth proportional to 656,571.34, 984,463.35 and 318,947.14 is: 478,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,571.34 : 984,463.35 = 318,947.14 : x
  2. Step 2: Convert to fraction form
    656,571.34/984,463.35 = 318,947.14/x
  3. Step 3: Cross multiply
    656,571.34x = 984,463.35 × 318,947.14
  4. Step 4: Simplify right side
    656,571.34x = 313,991,769,917.32
  5. Step 5: Solve for x
    x = 313,991,769,917.32/656,571.34
  6. Step 6: Final answer
    x = 478,229.48

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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.