Home / 711,765.20-1,067,647.80-238,401.20

Finding the Fourth Proportional to 711,765.20, 1,067,647.80 and 238,401.20

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Solution

The fourth proportional to 711,765.20, 1,067,647.80 and 238,401.20 is: 357,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,765.20 : 1,067,647.80 = 238,401.20 : x
  2. Step 2: Convert to fraction form
    711,765.20/1,067,647.80 = 238,401.20/x
  3. Step 3: Cross multiply
    711,765.20x = 1,067,647.80 × 238,401.20
  4. Step 4: Simplify right side
    711,765.20x = 254,528,516,697.36
  5. Step 5: Solve for x
    x = 254,528,516,697.36/711,765.20
  6. Step 6: Final answer
    x = 357,601.80

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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.