Home / 558,320.85-770,444.86-303,666.57

Finding the Fourth Proportional to 558,320.85, 770,444.86 and 303,666.57

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Solution

The fourth proportional to 558,320.85, 770,444.86 and 303,666.57 is: 419,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,320.85 : 770,444.86 = 303,666.57 : x
  2. Step 2: Convert to fraction form
    558,320.85/770,444.86 = 303,666.57/x
  3. Step 3: Cross multiply
    558,320.85x = 770,444.86 × 303,666.57
  4. Step 4: Simplify right side
    558,320.85x = 233,958,348,010.33
  5. Step 5: Solve for x
    x = 233,958,348,010.33/558,320.85
  6. Step 6: Final answer
    x = 419,039.25

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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.