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Finding the Fourth Proportional to 452,107.87, 624,084.11 and 339,258.67

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Solution

The fourth proportional to 452,107.87, 624,084.11 and 339,258.67 is: 468,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,107.87 : 624,084.11 = 339,258.67 : x
  2. Step 2: Convert to fraction form
    452,107.87/624,084.11 = 339,258.67/x
  3. Step 3: Cross multiply
    452,107.87x = 624,084.11 × 339,258.67
  4. Step 4: Simplify right side
    452,107.87x = 211,725,943,142.45
  5. Step 5: Solve for x
    x = 211,725,943,142.45/452,107.87
  6. Step 6: Final answer
    x = 468,308.47

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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.