Home / 427,421.12-592,538.49-404,669.03

Finding the Fourth Proportional to 427,421.12, 592,538.49 and 404,669.03

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Solution

The fourth proportional to 427,421.12, 592,538.49 and 404,669.03 is: 560,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,421.12 : 592,538.49 = 404,669.03 : x
  2. Step 2: Convert to fraction form
    427,421.12/592,538.49 = 404,669.03/x
  3. Step 3: Cross multiply
    427,421.12x = 592,538.49 × 404,669.03
  4. Step 4: Simplify right side
    427,421.12x = 239,781,973,023.27
  5. Step 5: Solve for x
    x = 239,781,973,023.27/427,421.12
  6. Step 6: Final answer
    x = 560,997.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.