Home / 802,229.47-1,107,078.23-439,666.79

Finding the Fourth Proportional to 802,229.47, 1,107,078.23 and 439,666.79

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Solution

The fourth proportional to 802,229.47, 1,107,078.23 and 439,666.79 is: 606,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,229.47 : 1,107,078.23 = 439,666.79 : x
  2. Step 2: Convert to fraction form
    802,229.47/1,107,078.23 = 439,666.79/x
  3. Step 3: Cross multiply
    802,229.47x = 1,107,078.23 × 439,666.79
  4. Step 4: Simplify right side
    802,229.47x = 486,745,527,226.76
  5. Step 5: Solve for x
    x = 486,745,527,226.76/802,229.47
  6. Step 6: Final answer
    x = 606,741.02

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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.