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Finding the Fourth Proportional to 815,479.98, 1,125,361.32 and 452,958

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Solution

The fourth proportional to 815,479.98, 1,125,361.32 and 452,958 is: 625,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,479.98 : 1,125,361.32 = 452,958 : x
  2. Step 2: Convert to fraction form
    815,479.98/1,125,361.32 = 452,958/x
  3. Step 3: Cross multiply
    815,479.98x = 1,125,361.32 × 452,958
  4. Step 4: Simplify right side
    815,479.98x = 509,741,412,784.56
  5. Step 5: Solve for x
    x = 509,741,412,784.56/815,479.98
  6. Step 6: Final answer
    x = 625,081.46

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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.