Home / 675,801.32-1,011,682.30-408,754.12

Finding the Fourth Proportional to 675,801.32, 1,011,682.30 and 408,754.12

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Solution

The fourth proportional to 675,801.32, 1,011,682.30 and 408,754.12 is: 611,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,801.32 : 1,011,682.30 = 408,754.12 : x
  2. Step 2: Convert to fraction form
    675,801.32/1,011,682.30 = 408,754.12/x
  3. Step 3: Cross multiply
    675,801.32x = 1,011,682.30 × 408,754.12
  4. Step 4: Simplify right side
    675,801.32x = 413,529,308,256.08
  5. Step 5: Solve for x
    x = 413,529,308,256.08/675,801.32
  6. Step 6: Final answer
    x = 611,909.59

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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.