Home / 627,916.79-940,689.97-370,982.72

Finding the Fourth Proportional to 627,916.79, 940,689.97 and 370,982.72

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Solution

The fourth proportional to 627,916.79, 940,689.97 and 370,982.72 is: 555,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,916.79 : 940,689.97 = 370,982.72 : x
  2. Step 2: Convert to fraction form
    627,916.79/940,689.97 = 370,982.72/x
  3. Step 3: Cross multiply
    627,916.79x = 940,689.97 × 370,982.72
  4. Step 4: Simplify right side
    627,916.79x = 348,979,723,747.32
  5. Step 5: Solve for x
    x = 348,979,723,747.32/627,916.79
  6. Step 6: Final answer
    x = 555,773.84

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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.