Home / 1,029,374.43-1,544,161.42-319,211.79

Finding the Fourth Proportional to 1,029,374.43, 1,544,161.42 and 319,211.79

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Solution

The fourth proportional to 1,029,374.43, 1,544,161.42 and 319,211.79 is: 478,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,374.43 : 1,544,161.42 = 319,211.79 : x
  2. Step 2: Convert to fraction form
    1,029,374.43/1,544,161.42 = 319,211.79/x
  3. Step 3: Cross multiply
    1,029,374.43x = 1,544,161.42 × 319,211.79
  4. Step 4: Simplify right side
    1,029,374.43x = 492,914,525,535.55
  5. Step 5: Solve for x
    x = 492,914,525,535.55/1,029,374.43
  6. Step 6: Final answer
    x = 478,848.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.