Home / 693,957.24-1,040,226.90-393,803.88

Finding the Fourth Proportional to 693,957.24, 1,040,226.90 and 393,803.88

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Solution

The fourth proportional to 693,957.24, 1,040,226.90 and 393,803.88 is: 590,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,957.24 : 1,040,226.90 = 393,803.88 : x
  2. Step 2: Convert to fraction form
    693,957.24/1,040,226.90 = 393,803.88/x
  3. Step 3: Cross multiply
    693,957.24x = 1,040,226.90 × 393,803.88
  4. Step 4: Simplify right side
    693,957.24x = 409,645,389,300.37
  5. Step 5: Solve for x
    x = 409,645,389,300.37/693,957.24
  6. Step 6: Final answer
    x = 590,303.50

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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.