Home / 697,428.55-1,046,005.03-191,859.09

Finding the Fourth Proportional to 697,428.55, 1,046,005.03 and 191,859.09

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Solution

The fourth proportional to 697,428.55, 1,046,005.03 and 191,859.09 is: 287,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,428.55 : 1,046,005.03 = 191,859.09 : x
  2. Step 2: Convert to fraction form
    697,428.55/1,046,005.03 = 191,859.09/x
  3. Step 3: Cross multiply
    697,428.55x = 1,046,005.03 × 191,859.09
  4. Step 4: Simplify right side
    697,428.55x = 200,685,573,191.22
  5. Step 5: Solve for x
    x = 200,685,573,191.22/697,428.55
  6. Step 6: Final answer
    x = 287,750.73

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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.