Home / 872,871.93-1,204,422.48-490,875.93

Finding the Fourth Proportional to 872,871.93, 1,204,422.48 and 490,875.93

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Solution

The fourth proportional to 872,871.93, 1,204,422.48 and 490,875.93 is: 677,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,871.93 : 1,204,422.48 = 490,875.93 : x
  2. Step 2: Convert to fraction form
    872,871.93/1,204,422.48 = 490,875.93/x
  3. Step 3: Cross multiply
    872,871.93x = 1,204,422.48 × 490,875.93
  4. Step 4: Simplify right side
    872,871.93x = 591,222,004,982.91
  5. Step 5: Solve for x
    x = 591,222,004,982.91/872,871.93
  6. Step 6: Final answer
    x = 677,329.61

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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.