Home / 704,250.40-1,058,449.20-691,808.80

Finding the Fourth Proportional to 704,250.40, 1,058,449.20 and 691,808.80

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Solution

The fourth proportional to 704,250.40, 1,058,449.20 and 691,808.80 is: 1,039,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,250.40 : 1,058,449.20 = 691,808.80 : x
  2. Step 2: Convert to fraction form
    704,250.40/1,058,449.20 = 691,808.80/x
  3. Step 3: Cross multiply
    704,250.40x = 1,058,449.20 × 691,808.80
  4. Step 4: Simplify right side
    704,250.40x = 732,244,470,912.96
  5. Step 5: Solve for x
    x = 732,244,470,912.96/704,250.40
  6. Step 6: Final answer
    x = 1,039,750.17

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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.