Home / 558,210.92-770,323.84-303,556.64

Finding the Fourth Proportional to 558,210.92, 770,323.84 and 303,556.64

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Solution

The fourth proportional to 558,210.92, 770,323.84 and 303,556.64 is: 418,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,210.92 : 770,323.84 = 303,556.64 : x
  2. Step 2: Convert to fraction form
    558,210.92/770,323.84 = 303,556.64/x
  3. Step 3: Cross multiply
    558,210.92x = 770,323.84 × 303,556.64
  4. Step 4: Simplify right side
    558,210.92x = 233,836,911,971.79
  5. Step 5: Solve for x
    x = 233,836,911,971.79/558,210.92
  6. Step 6: Final answer
    x = 418,904.23

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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.