Home / 669,309.24-1,004,362.79-242,878.34

Finding the Fourth Proportional to 669,309.24, 1,004,362.79 and 242,878.34

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Solution

The fourth proportional to 669,309.24, 1,004,362.79 and 242,878.34 is: 364,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,309.24 : 1,004,362.79 = 242,878.34 : x
  2. Step 2: Convert to fraction form
    669,309.24/1,004,362.79 = 242,878.34/x
  3. Step 3: Cross multiply
    669,309.24x = 1,004,362.79 × 242,878.34
  4. Step 4: Simplify right side
    669,309.24x = 243,937,967,192.97
  5. Step 5: Solve for x
    x = 243,937,967,192.97/669,309.24
  6. Step 6: Final answer
    x = 364,462.27

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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.