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Finding the Fourth Proportional to 656,772.40, 984,852.42 and 341,144.56

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Solution

The fourth proportional to 656,772.40, 984,852.42 and 341,144.56 is: 511,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,772.40 : 984,852.42 = 341,144.56 : x
  2. Step 2: Convert to fraction form
    656,772.40/984,852.42 = 341,144.56/x
  3. Step 3: Cross multiply
    656,772.40x = 984,852.42 × 341,144.56
  4. Step 4: Simplify right side
    656,772.40x = 335,977,045,485.84
  5. Step 5: Solve for x
    x = 335,977,045,485.84/656,772.40
  6. Step 6: Final answer
    x = 511,557.80

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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.