Home / 762,271.49-1,143,579.74-256,818.73

Finding the Fourth Proportional to 762,271.49, 1,143,579.74 and 256,818.73

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Solution

The fourth proportional to 762,271.49, 1,143,579.74 and 256,818.73 is: 385,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,271.49 : 1,143,579.74 = 256,818.73 : x
  2. Step 2: Convert to fraction form
    762,271.49/1,143,579.74 = 256,818.73/x
  3. Step 3: Cross multiply
    762,271.49x = 1,143,579.74 × 256,818.73
  4. Step 4: Simplify right side
    762,271.49x = 293,692,696,480.53
  5. Step 5: Solve for x
    x = 293,692,696,480.53/762,271.49
  6. Step 6: Final answer
    x = 385,286.21

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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.