Home / 917,035.14-1,373,613.54-579,901.80

Finding the Fourth Proportional to 917,035.14, 1,373,613.54 and 579,901.80

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Solution

The fourth proportional to 917,035.14, 1,373,613.54 and 579,901.80 is: 868,626.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,035.14 : 1,373,613.54 = 579,901.80 : x
  2. Step 2: Convert to fraction form
    917,035.14/1,373,613.54 = 579,901.80/x
  3. Step 3: Cross multiply
    917,035.14x = 1,373,613.54 × 579,901.80
  4. Step 4: Simplify right side
    917,035.14x = 796,560,964,350.37
  5. Step 5: Solve for x
    x = 796,560,964,350.37/917,035.14
  6. Step 6: Final answer
    x = 868,626.43

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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.