Home / 870,288.89-1,305,137.70-301,537.24

Finding the Fourth Proportional to 870,288.89, 1,305,137.70 and 301,537.24

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Solution

The fourth proportional to 870,288.89, 1,305,137.70 and 301,537.24 is: 452,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,288.89 : 1,305,137.70 = 301,537.24 : x
  2. Step 2: Convert to fraction form
    870,288.89/1,305,137.70 = 301,537.24/x
  3. Step 3: Cross multiply
    870,288.89x = 1,305,137.70 × 301,537.24
  4. Step 4: Simplify right side
    870,288.89x = 393,547,623,894.64
  5. Step 5: Solve for x
    x = 393,547,623,894.64/870,288.89
  6. Step 6: Final answer
    x = 452,203.43

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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.