Home / 669,968.74-1,004,737.14-220,582.61

Finding the Fourth Proportional to 669,968.74, 1,004,737.14 and 220,582.61

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Solution

The fourth proportional to 669,968.74, 1,004,737.14 and 220,582.61 is: 330,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,968.74 : 1,004,737.14 = 220,582.61 : x
  2. Step 2: Convert to fraction form
    669,968.74/1,004,737.14 = 220,582.61/x
  3. Step 3: Cross multiply
    669,968.74x = 1,004,737.14 × 220,582.61
  4. Step 4: Simplify right side
    669,968.74x = 221,627,543,216.98
  5. Step 5: Solve for x
    x = 221,627,543,216.98/669,968.74
  6. Step 6: Final answer
    x = 330,802.81

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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.