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Finding the Fourth Proportional to 576,000.82, 794,881.63 and 321,352.06

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Solution

The fourth proportional to 576,000.82, 794,881.63 and 321,352.06 is: 443,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,000.82 : 794,881.63 = 321,352.06 : x
  2. Step 2: Convert to fraction form
    576,000.82/794,881.63 = 321,352.06/x
  3. Step 3: Cross multiply
    576,000.82x = 794,881.63 × 321,352.06
  4. Step 4: Simplify right side
    576,000.82x = 255,436,849,256.66
  5. Step 5: Solve for x
    x = 255,436,849,256.66/576,000.82
  6. Step 6: Final answer
    x = 443,466.12

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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.