Home / 923,421.60-1,384,957.44-324,241.92

Finding the Fourth Proportional to 923,421.60, 1,384,957.44 and 324,241.92

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Solution

The fourth proportional to 923,421.60, 1,384,957.44 and 324,241.92 is: 486,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,421.60 : 1,384,957.44 = 324,241.92 : x
  2. Step 2: Convert to fraction form
    923,421.60/1,384,957.44 = 324,241.92/x
  3. Step 3: Cross multiply
    923,421.60x = 1,384,957.44 × 324,241.92
  4. Step 4: Simplify right side
    923,421.60x = 449,061,259,463.89
  5. Step 5: Solve for x
    x = 449,061,259,463.89/923,421.60
  6. Step 6: Final answer
    x = 486,301.45

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Double scale
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1.5x scale

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.