Home / 705,628.87-1,057,815.86-306,051.62

Finding the Fourth Proportional to 705,628.87, 1,057,815.86 and 306,051.62

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Solution

The fourth proportional to 705,628.87, 1,057,815.86 and 306,051.62 is: 458,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,628.87 : 1,057,815.86 = 306,051.62 : x
  2. Step 2: Convert to fraction form
    705,628.87/1,057,815.86 = 306,051.62/x
  3. Step 3: Cross multiply
    705,628.87x = 1,057,815.86 × 306,051.62
  4. Step 4: Simplify right side
    705,628.87x = 323,746,250,795.36
  5. Step 5: Solve for x
    x = 323,746,250,795.36/705,628.87
  6. Step 6: Final answer
    x = 458,805.28

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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.