Home / 726,964.62-1,090,369.14-253,658.94

Finding the Fourth Proportional to 726,964.62, 1,090,369.14 and 253,658.94

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Solution

The fourth proportional to 726,964.62, 1,090,369.14 and 253,658.94 is: 380,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,964.62 : 1,090,369.14 = 253,658.94 : x
  2. Step 2: Convert to fraction form
    726,964.62/1,090,369.14 = 253,658.94/x
  3. Step 3: Cross multiply
    726,964.62x = 1,090,369.14 × 253,658.94
  4. Step 4: Simplify right side
    726,964.62x = 276,581,880,261.11
  5. Step 5: Solve for x
    x = 276,581,880,261.11/726,964.62
  6. Step 6: Final answer
    x = 380,461.27

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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.