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Finding the Fourth Proportional to 467,287.68, 644,894.95 and 263,352.41

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Solution

The fourth proportional to 467,287.68, 644,894.95 and 263,352.41 is: 363,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,287.68 : 644,894.95 = 263,352.41 : x
  2. Step 2: Convert to fraction form
    467,287.68/644,894.95 = 263,352.41/x
  3. Step 3: Cross multiply
    467,287.68x = 644,894.95 × 263,352.41
  4. Step 4: Simplify right side
    467,287.68x = 169,834,639,574.81
  5. Step 5: Solve for x
    x = 169,834,639,574.81/467,287.68
  6. Step 6: Final answer
    x = 363,447.72

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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.