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Finding the Fourth Proportional to 656,426.40, 984,639.60 and 235,744.80

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Solution

The fourth proportional to 656,426.40, 984,639.60 and 235,744.80 is: 353,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,426.40 : 984,639.60 = 235,744.80 : x
  2. Step 2: Convert to fraction form
    656,426.40/984,639.60 = 235,744.80/x
  3. Step 3: Cross multiply
    656,426.40x = 984,639.60 × 235,744.80
  4. Step 4: Simplify right side
    656,426.40x = 232,123,665,574.08
  5. Step 5: Solve for x
    x = 232,123,665,574.08/656,426.40
  6. Step 6: Final answer
    x = 353,617.20

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Similar ratio
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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.