Home / 370,920.70-556,381.05-291,204.55

Finding the Fourth Proportional to 370,920.70, 556,381.05 and 291,204.55

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Solution

The fourth proportional to 370,920.70, 556,381.05 and 291,204.55 is: 436,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,920.70 : 556,381.05 = 291,204.55 : x
  2. Step 2: Convert to fraction form
    370,920.70/556,381.05 = 291,204.55/x
  3. Step 3: Cross multiply
    370,920.70x = 556,381.05 × 291,204.55
  4. Step 4: Simplify right side
    370,920.70x = 162,020,693,293.78
  5. Step 5: Solve for x
    x = 162,020,693,293.78/370,920.70
  6. Step 6: Final answer
    x = 436,806.83

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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.