Home / 850,911.06-1,174,257.28-468,937.84

Finding the Fourth Proportional to 850,911.06, 1,174,257.28 and 468,937.84

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Solution

The fourth proportional to 850,911.06, 1,174,257.28 and 468,937.84 is: 647,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,911.06 : 1,174,257.28 = 468,937.84 : x
  2. Step 2: Convert to fraction form
    850,911.06/1,174,257.28 = 468,937.84/x
  3. Step 3: Cross multiply
    850,911.06x = 1,174,257.28 × 468,937.84
  4. Step 4: Simplify right side
    850,911.06x = 550,653,672,487.48
  5. Step 5: Solve for x
    x = 550,653,672,487.48/850,911.06
  6. Step 6: Final answer
    x = 647,134.23

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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.