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Finding the Fourth Proportional to 576,170.82, 795,020.67 and 321,521.40

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Solution

The fourth proportional to 576,170.82, 795,020.67 and 321,521.40 is: 443,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,170.82 : 795,020.67 = 321,521.40 : x
  2. Step 2: Convert to fraction form
    576,170.82/795,020.67 = 321,521.40/x
  3. Step 3: Cross multiply
    576,170.82x = 795,020.67 × 321,521.40
  4. Step 4: Simplify right side
    576,170.82x = 255,616,158,847.34
  5. Step 5: Solve for x
    x = 255,616,158,847.34/576,170.82
  6. Step 6: Final answer
    x = 443,646.48

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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.