Home / 825,735.20-1,239,754.80-528,058.40

Finding the Fourth Proportional to 825,735.20, 1,239,754.80 and 528,058.40

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Solution

The fourth proportional to 825,735.20, 1,239,754.80 and 528,058.40 is: 792,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,735.20 : 1,239,754.80 = 528,058.40 : x
  2. Step 2: Convert to fraction form
    825,735.20/1,239,754.80 = 528,058.40/x
  3. Step 3: Cross multiply
    825,735.20x = 1,239,754.80 × 528,058.40
  4. Step 4: Simplify right side
    825,735.20x = 654,662,936,080.32
  5. Step 5: Solve for x
    x = 654,662,936,080.32/825,735.20
  6. Step 6: Final answer
    x = 792,824.31

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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.