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Finding the Fourth Proportional to 452,693.09, 624,716.32 and 248,757.15

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Solution

The fourth proportional to 452,693.09, 624,716.32 and 248,757.15 is: 343,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,693.09 : 624,716.32 = 248,757.15 : x
  2. Step 2: Convert to fraction form
    452,693.09/624,716.32 = 248,757.15/x
  3. Step 3: Cross multiply
    452,693.09x = 624,716.32 × 248,757.15
  4. Step 4: Simplify right side
    452,693.09x = 155,402,651,321.69
  5. Step 5: Solve for x
    x = 155,402,651,321.69/452,693.09
  6. Step 6: Final answer
    x = 343,284.79

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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.