Home / 558,055.44-770,148-303,401.16

Finding the Fourth Proportional to 558,055.44, 770,148 and 303,401.16

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Solution

The fourth proportional to 558,055.44, 770,148 and 303,401.16 is: 418,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,055.44 : 770,148 = 303,401.16 : x
  2. Step 2: Convert to fraction form
    558,055.44/770,148 = 303,401.16/x
  3. Step 3: Cross multiply
    558,055.44x = 770,148 × 303,401.16
  4. Step 4: Simplify right side
    558,055.44x = 233,663,796,571.68
  5. Step 5: Solve for x
    x = 233,663,796,571.68/558,055.44
  6. Step 6: Final answer
    x = 418,710.72

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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.