Home / 672,950.02-928,638.27-401,011.86

Finding the Fourth Proportional to 672,950.02, 928,638.27 and 401,011.86

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Solution

The fourth proportional to 672,950.02, 928,638.27 and 401,011.86 is: 553,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,950.02 : 928,638.27 = 401,011.86 : x
  2. Step 2: Convert to fraction form
    672,950.02/928,638.27 = 401,011.86/x
  3. Step 3: Cross multiply
    672,950.02x = 928,638.27 × 401,011.86
  4. Step 4: Simplify right side
    672,950.02x = 372,394,959,919.88
  5. Step 5: Solve for x
    x = 372,394,959,919.88/672,950.02
  6. Step 6: Final answer
    x = 553,376.85

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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.