Home / 766,508.01-1,057,907.03-427,085.61

Finding the Fourth Proportional to 766,508.01, 1,057,907.03 and 427,085.61

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Solution

The fourth proportional to 766,508.01, 1,057,907.03 and 427,085.61 is: 589,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,508.01 : 1,057,907.03 = 427,085.61 : x
  2. Step 2: Convert to fraction form
    766,508.01/1,057,907.03 = 427,085.61/x
  3. Step 3: Cross multiply
    766,508.01x = 1,057,907.03 × 427,085.61
  4. Step 4: Simplify right side
    766,508.01x = 451,816,867,095.41
  5. Step 5: Solve for x
    x = 451,816,867,095.41/766,508.01
  6. Step 6: Final answer
    x = 589,448.33

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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.