Home / 768,006.48-1,059,874.41-419,165.94

Finding the Fourth Proportional to 768,006.48, 1,059,874.41 and 419,165.94

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Solution

The fourth proportional to 768,006.48, 1,059,874.41 and 419,165.94 is: 578,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,006.48 : 1,059,874.41 = 419,165.94 : x
  2. Step 2: Convert to fraction form
    768,006.48/1,059,874.41 = 419,165.94/x
  3. Step 3: Cross multiply
    768,006.48x = 1,059,874.41 × 419,165.94
  4. Step 4: Simplify right side
    768,006.48x = 444,263,253,349.60
  5. Step 5: Solve for x
    x = 444,263,253,349.60/768,006.48
  6. Step 6: Final answer
    x = 578,462.90

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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.