Home / 558,711.55-770,968.38-313,640.11

Finding the Fourth Proportional to 558,711.55, 770,968.38 and 313,640.11

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Solution

The fourth proportional to 558,711.55, 770,968.38 and 313,640.11 is: 432,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,711.55 : 770,968.38 = 313,640.11 : x
  2. Step 2: Convert to fraction form
    558,711.55/770,968.38 = 313,640.11/x
  3. Step 3: Cross multiply
    558,711.55x = 770,968.38 × 313,640.11
  4. Step 4: Simplify right side
    558,711.55x = 241,806,607,509.72
  5. Step 5: Solve for x
    x = 241,806,607,509.72/558,711.55
  6. Step 6: Final answer
    x = 432,793.29

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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.