Home / 948,863.84-1,309,464.78-519,143.96

Finding the Fourth Proportional to 948,863.84, 1,309,464.78 and 519,143.96

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Solution

The fourth proportional to 948,863.84, 1,309,464.78 and 519,143.96 is: 716,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,863.84 : 1,309,464.78 = 519,143.96 : x
  2. Step 2: Convert to fraction form
    948,863.84/1,309,464.78 = 519,143.96/x
  3. Step 3: Cross multiply
    948,863.84x = 1,309,464.78 × 519,143.96
  4. Step 4: Simplify right side
    948,863.84x = 679,800,731,369.73
  5. Step 5: Solve for x
    x = 679,800,731,369.73/948,863.84
  6. Step 6: Final answer
    x = 716,436.55

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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.