Home / 706,040.80-1,058,405.10-492,808.30

Finding the Fourth Proportional to 706,040.80, 1,058,405.10 and 492,808.30

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Solution

The fourth proportional to 706,040.80, 1,058,405.10 and 492,808.30 is: 738,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,040.80 : 1,058,405.10 = 492,808.30 : x
  2. Step 2: Convert to fraction form
    706,040.80/1,058,405.10 = 492,808.30/x
  3. Step 3: Cross multiply
    706,040.80x = 1,058,405.10 × 492,808.30
  4. Step 4: Simplify right side
    706,040.80x = 521,590,818,042.33
  5. Step 5: Solve for x
    x = 521,590,818,042.33/706,040.80
  6. Step 6: Final answer
    x = 738,754.50

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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.