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Finding the Fourth Proportional to 452,709.26, 624,310.54 and 297,386.33

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Solution

The fourth proportional to 452,709.26, 624,310.54 and 297,386.33 is: 410,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,709.26 : 624,310.54 = 297,386.33 : x
  2. Step 2: Convert to fraction form
    452,709.26/624,310.54 = 297,386.33/x
  3. Step 3: Cross multiply
    452,709.26x = 624,310.54 × 297,386.33
  4. Step 4: Simplify right side
    452,709.26x = 185,661,417,149.37
  5. Step 5: Solve for x
    x = 185,661,417,149.37/452,709.26
  6. Step 6: Final answer
    x = 410,111.82

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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.