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Finding the Fourth Proportional to 637,356.60, 879,557.94 and 350,883

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Solution

The fourth proportional to 637,356.60, 879,557.94 and 350,883 is: 484,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,356.60 : 879,557.94 = 350,883 : x
  2. Step 2: Convert to fraction form
    637,356.60/879,557.94 = 350,883/x
  3. Step 3: Cross multiply
    637,356.60x = 879,557.94 × 350,883
  4. Step 4: Simplify right side
    637,356.60x = 308,621,928,661.02
  5. Step 5: Solve for x
    x = 308,621,928,661.02/637,356.60
  6. Step 6: Final answer
    x = 484,221.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.