Home / 786,158.68-1,179,695.22-330,716.56

Finding the Fourth Proportional to 786,158.68, 1,179,695.22 and 330,716.56

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Solution

The fourth proportional to 786,158.68, 1,179,695.22 and 330,716.56 is: 496,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,158.68 : 1,179,695.22 = 330,716.56 : x
  2. Step 2: Convert to fraction form
    786,158.68/1,179,695.22 = 330,716.56/x
  3. Step 3: Cross multiply
    786,158.68x = 1,179,695.22 × 330,716.56
  4. Step 4: Simplify right side
    786,158.68x = 390,144,745,006.84
  5. Step 5: Solve for x
    x = 390,144,745,006.84/786,158.68
  6. Step 6: Final answer
    x = 496,267.17

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Double scale
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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.