Home / 774,686.53-1,162,096.77-213,721.03

Finding the Fourth Proportional to 774,686.53, 1,162,096.77 and 213,721.03

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Solution

The fourth proportional to 774,686.53, 1,162,096.77 and 213,721.03 is: 320,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,686.53 : 1,162,096.77 = 213,721.03 : x
  2. Step 2: Convert to fraction form
    774,686.53/1,162,096.77 = 213,721.03/x
  3. Step 3: Cross multiply
    774,686.53x = 1,162,096.77 × 213,721.03
  4. Step 4: Simplify right side
    774,686.53x = 248,364,520,898.15
  5. Step 5: Solve for x
    x = 248,364,520,898.15/774,686.53
  6. Step 6: Final answer
    x = 320,600.02

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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.