Home / 707,319.54-1,060,990.38-393,769.26

Finding the Fourth Proportional to 707,319.54, 1,060,990.38 and 393,769.26

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Solution

The fourth proportional to 707,319.54, 1,060,990.38 and 393,769.26 is: 590,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,319.54 : 1,060,990.38 = 393,769.26 : x
  2. Step 2: Convert to fraction form
    707,319.54/1,060,990.38 = 393,769.26/x
  3. Step 3: Cross multiply
    707,319.54x = 1,060,990.38 × 393,769.26
  4. Step 4: Simplify right side
    707,319.54x = 417,785,396,799.72
  5. Step 5: Solve for x
    x = 417,785,396,799.72/707,319.54
  6. Step 6: Final answer
    x = 590,660.05

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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.