Home / 558,277.65-770,400.92-303,629.04

Finding the Fourth Proportional to 558,277.65, 770,400.92 and 303,629.04

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Solution

The fourth proportional to 558,277.65, 770,400.92 and 303,629.04 is: 418,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,277.65 : 770,400.92 = 303,629.04 : x
  2. Step 2: Convert to fraction form
    558,277.65/770,400.92 = 303,629.04/x
  3. Step 3: Cross multiply
    558,277.65x = 770,400.92 × 303,629.04
  4. Step 4: Simplify right side
    558,277.65x = 233,916,092,513.79
  5. Step 5: Solve for x
    x = 233,916,092,513.79/558,277.65
  6. Step 6: Final answer
    x = 418,995.98

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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.