Home / 870,513.52-1,305,619.80-230,821.36

Finding the Fourth Proportional to 870,513.52, 1,305,619.80 and 230,821.36

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Solution

The fourth proportional to 870,513.52, 1,305,619.80 and 230,821.36 is: 346,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,513.52 : 1,305,619.80 = 230,821.36 : x
  2. Step 2: Convert to fraction form
    870,513.52/1,305,619.80 = 230,821.36/x
  3. Step 3: Cross multiply
    870,513.52x = 1,305,619.80 × 230,821.36
  4. Step 4: Simplify right side
    870,513.52x = 301,364,937,878.93
  5. Step 5: Solve for x
    x = 301,364,937,878.93/870,513.52
  6. Step 6: Final answer
    x = 346,192.14

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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.