Home / 870,021.66-1,305,508.17-337,563.71

Finding the Fourth Proportional to 870,021.66, 1,305,508.17 and 337,563.71

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Solution

The fourth proportional to 870,021.66, 1,305,508.17 and 337,563.71 is: 506,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,021.66 : 1,305,508.17 = 337,563.71 : x
  2. Step 2: Convert to fraction form
    870,021.66/1,305,508.17 = 337,563.71/x
  3. Step 3: Cross multiply
    870,021.66x = 1,305,508.17 × 337,563.71
  4. Step 4: Simplify right side
    870,021.66x = 440,692,181,300.51
  5. Step 5: Solve for x
    x = 440,692,181,300.51/870,021.66
  6. Step 6: Final answer
    x = 506,530.13

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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.