Home / 913,043.46-1,368,822.99-380,960.94

Finding the Fourth Proportional to 913,043.46, 1,368,822.99 and 380,960.94

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Solution

The fourth proportional to 913,043.46, 1,368,822.99 and 380,960.94 is: 571,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,043.46 : 1,368,822.99 = 380,960.94 : x
  2. Step 2: Convert to fraction form
    913,043.46/1,368,822.99 = 380,960.94/x
  3. Step 3: Cross multiply
    913,043.46x = 1,368,822.99 × 380,960.94
  4. Step 4: Simplify right side
    913,043.46x = 521,468,092,964.01
  5. Step 5: Solve for x
    x = 521,468,092,964.01/913,043.46
  6. Step 6: Final answer
    x = 571,131.73

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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.