Home / 637,090.05-878,986.30-361,402.52

Finding the Fourth Proportional to 637,090.05, 878,986.30 and 361,402.52

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Solution

The fourth proportional to 637,090.05, 878,986.30 and 361,402.52 is: 498,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,090.05 : 878,986.30 = 361,402.52 : x
  2. Step 2: Convert to fraction form
    637,090.05/878,986.30 = 361,402.52/x
  3. Step 3: Cross multiply
    637,090.05x = 878,986.30 × 361,402.52
  4. Step 4: Simplify right side
    637,090.05x = 317,667,863,865.48
  5. Step 5: Solve for x
    x = 317,667,863,865.48/637,090.05
  6. Step 6: Final answer
    x = 498,623.18

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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.