Home / 697,425.30-1,046,000.16-191,855.84

Finding the Fourth Proportional to 697,425.30, 1,046,000.16 and 191,855.84

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Solution

The fourth proportional to 697,425.30, 1,046,000.16 and 191,855.84 is: 287,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,425.30 : 1,046,000.16 = 191,855.84 : x
  2. Step 2: Convert to fraction form
    697,425.30/1,046,000.16 = 191,855.84/x
  3. Step 3: Cross multiply
    697,425.30x = 1,046,000.16 × 191,855.84
  4. Step 4: Simplify right side
    697,425.30x = 200,681,234,106.93
  5. Step 5: Solve for x
    x = 200,681,234,106.93/697,425.30
  6. Step 6: Final answer
    x = 287,745.85

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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.