Home / 558,133.29-770,219.82-303,484.41

Finding the Fourth Proportional to 558,133.29, 770,219.82 and 303,484.41

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Solution

The fourth proportional to 558,133.29, 770,219.82 and 303,484.41 is: 418,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,133.29 : 770,219.82 = 303,484.41 : x
  2. Step 2: Convert to fraction form
    558,133.29/770,219.82 = 303,484.41/x
  3. Step 3: Cross multiply
    558,133.29x = 770,219.82 × 303,484.41
  4. Step 4: Simplify right side
    558,133.29x = 233,749,707,643.01
  5. Step 5: Solve for x
    x = 233,749,707,643.01/558,133.29
  6. Step 6: Final answer
    x = 418,806.25

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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.