Home / 452,272.92-624,428.69-280,374.59

Finding the Fourth Proportional to 452,272.92, 624,428.69 and 280,374.59

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Solution

The fourth proportional to 452,272.92, 624,428.69 and 280,374.59 is: 387,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,272.92 : 624,428.69 = 280,374.59 : x
  2. Step 2: Convert to fraction form
    452,272.92/624,428.69 = 280,374.59/x
  3. Step 3: Cross multiply
    452,272.92x = 624,428.69 × 280,374.59
  4. Step 4: Simplify right side
    452,272.92x = 175,073,933,418.97
  5. Step 5: Solve for x
    x = 175,073,933,418.97/452,272.92
  6. Step 6: Final answer
    x = 387,097.98

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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.