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Finding the Fourth Proportional to 504,802.22, 696,640.20 and 275,363.37

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Solution

The fourth proportional to 504,802.22, 696,640.20 and 275,363.37 is: 380,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,802.22 : 696,640.20 = 275,363.37 : x
  2. Step 2: Convert to fraction form
    504,802.22/696,640.20 = 275,363.37/x
  3. Step 3: Cross multiply
    504,802.22x = 696,640.20 × 275,363.37
  4. Step 4: Simplify right side
    504,802.22x = 191,829,193,149.47
  5. Step 5: Solve for x
    x = 191,829,193,149.47/504,802.22
  6. Step 6: Final answer
    x = 380,008.62

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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.