Home / 607,311.11-911,519.49-323,240.16

Finding the Fourth Proportional to 607,311.11, 911,519.49 and 323,240.16

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Solution

The fourth proportional to 607,311.11, 911,519.49 and 323,240.16 is: 485,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,311.11 : 911,519.49 = 323,240.16 : x
  2. Step 2: Convert to fraction form
    607,311.11/911,519.49 = 323,240.16/x
  3. Step 3: Cross multiply
    607,311.11x = 911,519.49 × 323,240.16
  4. Step 4: Simplify right side
    607,311.11x = 294,639,704,174.52
  5. Step 5: Solve for x
    x = 294,639,704,174.52/607,311.11
  6. Step 6: Final answer
    x = 485,154.48

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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.