Home / 705,782.80-1,058,079-306,122.52

Finding the Fourth Proportional to 705,782.80, 1,058,079 and 306,122.52

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Solution

The fourth proportional to 705,782.80, 1,058,079 and 306,122.52 is: 458,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,782.80 : 1,058,079 = 306,122.52 : x
  2. Step 2: Convert to fraction form
    705,782.80/1,058,079 = 306,122.52/x
  3. Step 3: Cross multiply
    705,782.80x = 1,058,079 × 306,122.52
  4. Step 4: Simplify right side
    705,782.80x = 323,901,809,839.08
  5. Step 5: Solve for x
    x = 323,901,809,839.08/705,782.80
  6. Step 6: Final answer
    x = 458,925.62

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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.