Home / 509,370.68-764,081.40-193,852.04

Finding the Fourth Proportional to 509,370.68, 764,081.40 and 193,852.04

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Solution

The fourth proportional to 509,370.68, 764,081.40 and 193,852.04 is: 290,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,370.68 : 764,081.40 = 193,852.04 : x
  2. Step 2: Convert to fraction form
    509,370.68/764,081.40 = 193,852.04/x
  3. Step 3: Cross multiply
    509,370.68x = 764,081.40 × 193,852.04
  4. Step 4: Simplify right side
    509,370.68x = 148,118,738,116.06
  5. Step 5: Solve for x
    x = 148,118,738,116.06/509,370.68
  6. Step 6: Final answer
    x = 290,787.72

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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.