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Finding the Fourth Proportional to 658,087.88, 907,699.38 and 454,220.60

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Solution

The fourth proportional to 658,087.88, 907,699.38 and 454,220.60 is: 626,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,087.88 : 907,699.38 = 454,220.60 : x
  2. Step 2: Convert to fraction form
    658,087.88/907,699.38 = 454,220.60/x
  3. Step 3: Cross multiply
    658,087.88x = 907,699.38 × 454,220.60
  4. Step 4: Simplify right side
    658,087.88x = 412,295,757,003.23
  5. Step 5: Solve for x
    x = 412,295,757,003.23/658,087.88
  6. Step 6: Final answer
    x = 626,505.62

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1.5x scale

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.