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Finding the Fourth Proportional to 528,504.32, 729,465.54 and 324,604.10

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Solution

The fourth proportional to 528,504.32, 729,465.54 and 324,604.10 is: 448,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,504.32 : 729,465.54 = 324,604.10 : x
  2. Step 2: Convert to fraction form
    528,504.32/729,465.54 = 324,604.10/x
  3. Step 3: Cross multiply
    528,504.32x = 729,465.54 × 324,604.10
  4. Step 4: Simplify right side
    528,504.32x = 236,787,505,092.71
  5. Step 5: Solve for x
    x = 236,787,505,092.71/528,504.32
  6. Step 6: Final answer
    x = 448,033.24

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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.