Home / 870,968.78-1,305,944.69-337,866.87

Finding the Fourth Proportional to 870,968.78, 1,305,944.69 and 337,866.87

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Solution

The fourth proportional to 870,968.78, 1,305,944.69 and 337,866.87 is: 506,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,968.78 : 1,305,944.69 = 337,866.87 : x
  2. Step 2: Convert to fraction form
    870,968.78/1,305,944.69 = 337,866.87/x
  3. Step 3: Cross multiply
    870,968.78x = 1,305,944.69 × 337,866.87
  4. Step 4: Simplify right side
    870,968.78x = 441,235,443,114.09
  5. Step 5: Solve for x
    x = 441,235,443,114.09/870,968.78
  6. Step 6: Final answer
    x = 506,603.06

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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.