Home / 870,816.27-1,201,903.26-503,309.01

Finding the Fourth Proportional to 870,816.27, 1,201,903.26 and 503,309.01

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Solution

The fourth proportional to 870,816.27, 1,201,903.26 and 503,309.01 is: 694,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,816.27 : 1,201,903.26 = 503,309.01 : x
  2. Step 2: Convert to fraction form
    870,816.27/1,201,903.26 = 503,309.01/x
  3. Step 3: Cross multiply
    870,816.27x = 1,201,903.26 × 503,309.01
  4. Step 4: Simplify right side
    870,816.27x = 604,928,739,906.37
  5. Step 5: Solve for x
    x = 604,928,739,906.37/870,816.27
  6. Step 6: Final answer
    x = 694,668.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.