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Finding the Fourth Proportional to 576,005.32, 794,887.84 and 321,356.58

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Solution

The fourth proportional to 576,005.32, 794,887.84 and 321,356.58 is: 443,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,005.32 : 794,887.84 = 321,356.58 : x
  2. Step 2: Convert to fraction form
    576,005.32/794,887.84 = 321,356.58/x
  3. Step 3: Cross multiply
    576,005.32x = 794,887.84 × 321,356.58
  4. Step 4: Simplify right side
    576,005.32x = 255,442,437,745.99
  5. Step 5: Solve for x
    x = 255,442,437,745.99/576,005.32
  6. Step 6: Final answer
    x = 443,472.36

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1.5x scale

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.