Home / 407,292.84-611,386.20-323,591.04

Finding the Fourth Proportional to 407,292.84, 611,386.20 and 323,591.04

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Solution

The fourth proportional to 407,292.84, 611,386.20 and 323,591.04 is: 485,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,292.84 : 611,386.20 = 323,591.04 : x
  2. Step 2: Convert to fraction form
    407,292.84/611,386.20 = 323,591.04/x
  3. Step 3: Cross multiply
    407,292.84x = 611,386.20 × 323,591.04
  4. Step 4: Simplify right side
    407,292.84x = 197,839,096,299.65
  5. Step 5: Solve for x
    x = 197,839,096,299.65/407,292.84
  6. Step 6: Final answer
    x = 485,741.65

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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.