Home / 627,635.28-940,731.22-289,966.58

Finding the Fourth Proportional to 627,635.28, 940,731.22 and 289,966.58

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Solution

The fourth proportional to 627,635.28, 940,731.22 and 289,966.58 is: 434,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,635.28 : 940,731.22 = 289,966.58 : x
  2. Step 2: Convert to fraction form
    627,635.28/940,731.22 = 289,966.58/x
  3. Step 3: Cross multiply
    627,635.28x = 940,731.22 × 289,966.58
  4. Step 4: Simplify right side
    627,635.28x = 272,780,617,409.72
  5. Step 5: Solve for x
    x = 272,780,617,409.72/627,635.28
  6. Step 6: Final answer
    x = 434,616.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.