Home / 558,013.14-770,066.91-303,365.34

Finding the Fourth Proportional to 558,013.14, 770,066.91 and 303,365.34

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Solution

The fourth proportional to 558,013.14, 770,066.91 and 303,365.34 is: 418,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,013.14 : 770,066.91 = 303,365.34 : x
  2. Step 2: Convert to fraction form
    558,013.14/770,066.91 = 303,365.34/x
  3. Step 3: Cross multiply
    558,013.14x = 770,066.91 × 303,365.34
  4. Step 4: Simplify right side
    558,013.14x = 233,611,609,974.90
  5. Step 5: Solve for x
    x = 233,611,609,974.90/558,013.14
  6. Step 6: Final answer
    x = 418,648.94

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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.