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Finding the Fourth Proportional to 650,070.66, 974,220.26 and 313,086.77

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Solution

The fourth proportional to 650,070.66, 974,220.26 and 313,086.77 is: 469,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,070.66 : 974,220.26 = 313,086.77 : x
  2. Step 2: Convert to fraction form
    650,070.66/974,220.26 = 313,086.77/x
  3. Step 3: Cross multiply
    650,070.66x = 974,220.26 × 313,086.77
  4. Step 4: Simplify right side
    650,070.66x = 305,015,473,449.86
  5. Step 5: Solve for x
    x = 305,015,473,449.86/650,070.66
  6. Step 6: Final answer
    x = 469,203.57

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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.