Home / 839,301.55-1,259,324.45-439,847.35

Finding the Fourth Proportional to 839,301.55, 1,259,324.45 and 439,847.35

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Solution

The fourth proportional to 839,301.55, 1,259,324.45 and 439,847.35 is: 659,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,301.55 : 1,259,324.45 = 439,847.35 : x
  2. Step 2: Convert to fraction form
    839,301.55/1,259,324.45 = 439,847.35/x
  3. Step 3: Cross multiply
    839,301.55x = 1,259,324.45 × 439,847.35
  4. Step 4: Simplify right side
    839,301.55x = 553,910,522,122.71
  5. Step 5: Solve for x
    x = 553,910,522,122.71/839,301.55
  6. Step 6: Final answer
    x = 659,966.04

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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.