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Finding the Fourth Proportional to 809,737.16, 1,117,424.58 and 447,152

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Solution

The fourth proportional to 809,737.16, 1,117,424.58 and 447,152 is: 617,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,737.16 : 1,117,424.58 = 447,152 : x
  2. Step 2: Convert to fraction form
    809,737.16/1,117,424.58 = 447,152/x
  3. Step 3: Cross multiply
    809,737.16x = 1,117,424.58 × 447,152
  4. Step 4: Simplify right side
    809,737.16x = 499,658,635,796.16
  5. Step 5: Solve for x
    x = 499,658,635,796.16/809,737.16
  6. Step 6: Final answer
    x = 617,062.75

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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.