Home / 813,624.56-1,220,153.67-333,716.06

Finding the Fourth Proportional to 813,624.56, 1,220,153.67 and 333,716.06

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Solution

The fourth proportional to 813,624.56, 1,220,153.67 and 333,716.06 is: 500,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,624.56 : 1,220,153.67 = 333,716.06 : x
  2. Step 2: Convert to fraction form
    813,624.56/1,220,153.67 = 333,716.06/x
  3. Step 3: Cross multiply
    813,624.56x = 1,220,153.67 × 333,716.06
  4. Step 4: Simplify right side
    813,624.56x = 407,184,875,346.94
  5. Step 5: Solve for x
    x = 407,184,875,346.94/813,624.56
  6. Step 6: Final answer
    x = 500,457.95

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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.