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Finding the Fourth Proportional to 452,695.09, 624,719.08 and 248,759.15

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Solution

The fourth proportional to 452,695.09, 624,719.08 and 248,759.15 is: 343,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,695.09 : 624,719.08 = 248,759.15 : x
  2. Step 2: Convert to fraction form
    452,695.09/624,719.08 = 248,759.15/x
  3. Step 3: Cross multiply
    452,695.09x = 624,719.08 × 248,759.15
  4. Step 4: Simplify right side
    452,695.09x = 155,404,587,329.58
  5. Step 5: Solve for x
    x = 155,404,587,329.58/452,695.09
  6. Step 6: Final answer
    x = 343,287.55

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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.