Home / 697,287.12-1,046,491.20-360,426.54

Finding the Fourth Proportional to 697,287.12, 1,046,491.20 and 360,426.54

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Solution

The fourth proportional to 697,287.12, 1,046,491.20 and 360,426.54 is: 540,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,287.12 : 1,046,491.20 = 360,426.54 : x
  2. Step 2: Convert to fraction form
    697,287.12/1,046,491.20 = 360,426.54/x
  3. Step 3: Cross multiply
    697,287.12x = 1,046,491.20 × 360,426.54
  4. Step 4: Simplify right side
    697,287.12x = 377,183,202,356.45
  5. Step 5: Solve for x
    x = 377,183,202,356.45/697,287.12
  6. Step 6: Final answer
    x = 540,929.54

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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.