Home / 653,738.56-902,138.34-363,348.70

Finding the Fourth Proportional to 653,738.56, 902,138.34 and 363,348.70

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Solution

The fourth proportional to 653,738.56, 902,138.34 and 363,348.70 is: 501,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,738.56 : 902,138.34 = 363,348.70 : x
  2. Step 2: Convert to fraction form
    653,738.56/902,138.34 = 363,348.70/x
  3. Step 3: Cross multiply
    653,738.56x = 902,138.34 × 363,348.70
  4. Step 4: Simplify right side
    653,738.56x = 327,790,793,059.16
  5. Step 5: Solve for x
    x = 327,790,793,059.16/653,738.56
  6. Step 6: Final answer
    x = 501,409.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.