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Finding the Fourth Proportional to 662,877.48, 914,777.19 and 376,403.58

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Solution

The fourth proportional to 662,877.48, 914,777.19 and 376,403.58 is: 519,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,877.48 : 914,777.19 = 376,403.58 : x
  2. Step 2: Convert to fraction form
    662,877.48/914,777.19 = 376,403.58/x
  3. Step 3: Cross multiply
    662,877.48x = 914,777.19 × 376,403.58
  4. Step 4: Simplify right side
    662,877.48x = 344,325,409,218.34
  5. Step 5: Solve for x
    x = 344,325,409,218.34/662,877.48
  6. Step 6: Final answer
    x = 519,440.50

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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.