Home / 691,458.92-1,036,812.48-311,935.14

Finding the Fourth Proportional to 691,458.92, 1,036,812.48 and 311,935.14

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Solution

The fourth proportional to 691,458.92, 1,036,812.48 and 311,935.14 is: 467,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,458.92 : 1,036,812.48 = 311,935.14 : x
  2. Step 2: Convert to fraction form
    691,458.92/1,036,812.48 = 311,935.14/x
  3. Step 3: Cross multiply
    691,458.92x = 1,036,812.48 × 311,935.14
  4. Step 4: Simplify right side
    691,458.92x = 323,418,246,102.55
  5. Step 5: Solve for x
    x = 323,418,246,102.55/691,458.92
  6. Step 6: Final answer
    x = 467,733.14

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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.