Home / 849,320.36-1,274,025.18-218,238.44

Finding the Fourth Proportional to 849,320.36, 1,274,025.18 and 218,238.44

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Solution

The fourth proportional to 849,320.36, 1,274,025.18 and 218,238.44 is: 327,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,320.36 : 1,274,025.18 = 218,238.44 : x
  2. Step 2: Convert to fraction form
    849,320.36/1,274,025.18 = 218,238.44/x
  3. Step 3: Cross multiply
    849,320.36x = 1,274,025.18 × 218,238.44
  4. Step 4: Simplify right side
    849,320.36x = 278,041,267,803.92
  5. Step 5: Solve for x
    x = 278,041,267,803.92/849,320.36
  6. Step 6: Final answer
    x = 327,369.13

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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.