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Finding the Fourth Proportional to 550,558.71, 759,332.73 and 454,899.33

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Solution

The fourth proportional to 550,558.71, 759,332.73 and 454,899.33 is: 627,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,558.71 : 759,332.73 = 454,899.33 : x
  2. Step 2: Convert to fraction form
    550,558.71/759,332.73 = 454,899.33/x
  3. Step 3: Cross multiply
    550,558.71x = 759,332.73 × 454,899.33
  4. Step 4: Simplify right side
    550,558.71x = 345,419,950,124.07
  5. Step 5: Solve for x
    x = 345,419,950,124.07/550,558.71
  6. Step 6: Final answer
    x = 627,398.94

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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.