Home / 697,900.29-1,046,065.68-355,382.60

Finding the Fourth Proportional to 697,900.29, 1,046,065.68 and 355,382.60

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Solution

The fourth proportional to 697,900.29, 1,046,065.68 and 355,382.60 is: 532,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,900.29 : 1,046,065.68 = 355,382.60 : x
  2. Step 2: Convert to fraction form
    697,900.29/1,046,065.68 = 355,382.60/x
  3. Step 3: Cross multiply
    697,900.29x = 1,046,065.68 × 355,382.60
  4. Step 4: Simplify right side
    697,900.29x = 371,753,542,754.23
  5. Step 5: Solve for x
    x = 371,753,542,754.23/697,900.29
  6. Step 6: Final answer
    x = 532,674.29

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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.