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Finding the Fourth Proportional to 566,035.04, 781,240 and 324,479.68

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Solution

The fourth proportional to 566,035.04, 781,240 and 324,479.68 is: 447,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,035.04 : 781,240 = 324,479.68 : x
  2. Step 2: Convert to fraction form
    566,035.04/781,240 = 324,479.68/x
  3. Step 3: Cross multiply
    566,035.04x = 781,240 × 324,479.68
  4. Step 4: Simplify right side
    566,035.04x = 253,496,505,203.20
  5. Step 5: Solve for x
    x = 253,496,505,203.20/566,035.04
  6. Step 6: Final answer
    x = 447,845.96

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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.