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Finding the Fourth Proportional to 467,378.83, 644,227.18 and 365,226.76

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Solution

The fourth proportional to 467,378.83, 644,227.18 and 365,226.76 is: 503,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,378.83 : 644,227.18 = 365,226.76 : x
  2. Step 2: Convert to fraction form
    467,378.83/644,227.18 = 365,226.76/x
  3. Step 3: Cross multiply
    467,378.83x = 644,227.18 × 365,226.76
  4. Step 4: Simplify right side
    467,378.83x = 235,289,005,655.34
  5. Step 5: Solve for x
    x = 235,289,005,655.34/467,378.83
  6. Step 6: Final answer
    x = 503,422.47

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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.