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Finding the Fourth Proportional to 801,762.75, 1,106,450.43 and 457,591.80

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Solution

The fourth proportional to 801,762.75, 1,106,450.43 and 457,591.80 is: 631,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,762.75 : 1,106,450.43 = 457,591.80 : x
  2. Step 2: Convert to fraction form
    801,762.75/1,106,450.43 = 457,591.80/x
  3. Step 3: Cross multiply
    801,762.75x = 1,106,450.43 × 457,591.80
  4. Step 4: Simplify right side
    801,762.75x = 506,302,643,874.47
  5. Step 5: Solve for x
    x = 506,302,643,874.47/801,762.75
  6. Step 6: Final answer
    x = 631,486.86

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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.