Home / 827,165.34-1,239,004.28-378,263.95

Finding the Fourth Proportional to 827,165.34, 1,239,004.28 and 378,263.95

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Solution

The fourth proportional to 827,165.34, 1,239,004.28 and 378,263.95 is: 566,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,165.34 : 1,239,004.28 = 378,263.95 : x
  2. Step 2: Convert to fraction form
    827,165.34/1,239,004.28 = 378,263.95/x
  3. Step 3: Cross multiply
    827,165.34x = 1,239,004.28 × 378,263.95
  4. Step 4: Simplify right side
    827,165.34x = 468,670,650,867.86
  5. Step 5: Solve for x
    x = 468,670,650,867.86/827,165.34
  6. Step 6: Final answer
    x = 566,598.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.