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Finding the Fourth Proportional to 656,399.53, 984,599.47 and 207,155.56

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Solution

The fourth proportional to 656,399.53, 984,599.47 and 207,155.56 is: 310,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,399.53 : 984,599.47 = 207,155.56 : x
  2. Step 2: Convert to fraction form
    656,399.53/984,599.47 = 207,155.56/x
  3. Step 3: Cross multiply
    656,399.53x = 984,599.47 × 207,155.56
  4. Step 4: Simplify right side
    656,399.53x = 203,965,254,583.55
  5. Step 5: Solve for x
    x = 203,965,254,583.55/656,399.53
  6. Step 6: Final answer
    x = 310,733.40

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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.