Home / 729,864.50-1,095,386.43-309,435.62

Finding the Fourth Proportional to 729,864.50, 1,095,386.43 and 309,435.62

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Solution

The fourth proportional to 729,864.50, 1,095,386.43 and 309,435.62 is: 464,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,864.50 : 1,095,386.43 = 309,435.62 : x
  2. Step 2: Convert to fraction form
    729,864.50/1,095,386.43 = 309,435.62/x
  3. Step 3: Cross multiply
    729,864.50x = 1,095,386.43 × 309,435.62
  4. Step 4: Simplify right side
    729,864.50x = 338,951,579,106.64
  5. Step 5: Solve for x
    x = 338,951,579,106.64/729,864.50
  6. Step 6: Final answer
    x = 464,403.43

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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.