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Finding the Fourth Proportional to 452,742.68, 624,781.24 and 246,009.26

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Solution

The fourth proportional to 452,742.68, 624,781.24 and 246,009.26 is: 339,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,742.68 : 624,781.24 = 246,009.26 : x
  2. Step 2: Convert to fraction form
    452,742.68/624,781.24 = 246,009.26/x
  3. Step 3: Cross multiply
    452,742.68x = 624,781.24 × 246,009.26
  4. Step 4: Simplify right side
    452,742.68x = 153,701,966,775.35
  5. Step 5: Solve for x
    x = 153,701,966,775.35/452,742.68
  6. Step 6: Final answer
    x = 339,490.79

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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.