Home / 813,103.28-1,122,165.60-468,952.64

Finding the Fourth Proportional to 813,103.28, 1,122,165.60 and 468,952.64

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Solution

The fourth proportional to 813,103.28, 1,122,165.60 and 468,952.64 is: 647,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,103.28 : 1,122,165.60 = 468,952.64 : x
  2. Step 2: Convert to fraction form
    813,103.28/1,122,165.60 = 468,952.64/x
  3. Step 3: Cross multiply
    813,103.28x = 1,122,165.60 × 468,952.64
  4. Step 4: Simplify right side
    813,103.28x = 526,242,520,637.18
  5. Step 5: Solve for x
    x = 526,242,520,637.18/813,103.28
  6. Step 6: Final answer
    x = 647,202.56

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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.