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Finding the Fourth Proportional to 558,188.76, 770,365.50 and 313,241.04

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Solution

The fourth proportional to 558,188.76, 770,365.50 and 313,241.04 is: 432,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,188.76 : 770,365.50 = 313,241.04 : x
  2. Step 2: Convert to fraction form
    558,188.76/770,365.50 = 313,241.04/x
  3. Step 3: Cross multiply
    558,188.76x = 770,365.50 × 313,241.04
  4. Step 4: Simplify right side
    558,188.76x = 241,310,090,400.12
  5. Step 5: Solve for x
    x = 241,310,090,400.12/558,188.76
  6. Step 6: Final answer
    x = 432,309.12

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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.