Home / 812,322.84-1,218,678.66-251,357.34

Finding the Fourth Proportional to 812,322.84, 1,218,678.66 and 251,357.34

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Solution

The fourth proportional to 812,322.84, 1,218,678.66 and 251,357.34 is: 377,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,322.84 : 1,218,678.66 = 251,357.34 : x
  2. Step 2: Convert to fraction form
    812,322.84/1,218,678.66 = 251,357.34/x
  3. Step 3: Cross multiply
    812,322.84x = 1,218,678.66 × 251,357.34
  4. Step 4: Simplify right side
    812,322.84x = 306,323,826,292.36
  5. Step 5: Solve for x
    x = 306,323,826,292.36/812,322.84
  6. Step 6: Final answer
    x = 377,096.16

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1.5x scale

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.