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Finding the Fourth Proportional to 556,319.45, 835,160.42 and 366,938.17

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Solution

The fourth proportional to 556,319.45, 835,160.42 and 366,938.17 is: 550,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,319.45 : 835,160.42 = 366,938.17 : x
  2. Step 2: Convert to fraction form
    556,319.45/835,160.42 = 366,938.17/x
  3. Step 3: Cross multiply
    556,319.45x = 835,160.42 × 366,938.17
  4. Step 4: Simplify right side
    556,319.45x = 306,452,235,000.68
  5. Step 5: Solve for x
    x = 306,452,235,000.68/556,319.45
  6. Step 6: Final answer
    x = 550,856.59

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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.