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Finding the Fourth Proportional to 558,503.82, 770,726.79 and 303,849.18

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Solution

The fourth proportional to 558,503.82, 770,726.79 and 303,849.18 is: 419,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,503.82 : 770,726.79 = 303,849.18 : x
  2. Step 2: Convert to fraction form
    558,503.82/770,726.79 = 303,849.18/x
  3. Step 3: Cross multiply
    558,503.82x = 770,726.79 × 303,849.18
  4. Step 4: Simplify right side
    558,503.82x = 234,184,703,145.53
  5. Step 5: Solve for x
    x = 234,184,703,145.53/558,503.82
  6. Step 6: Final answer
    x = 419,307.25

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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.