Home / 558,288.14-770,441.28-303,641.18

Finding the Fourth Proportional to 558,288.14, 770,441.28 and 303,641.18

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Solution

The fourth proportional to 558,288.14, 770,441.28 and 303,641.18 is: 419,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,288.14 : 770,441.28 = 303,641.18 : x
  2. Step 2: Convert to fraction form
    558,288.14/770,441.28 = 303,641.18/x
  3. Step 3: Cross multiply
    558,288.14x = 770,441.28 × 303,641.18
  4. Step 4: Simplify right side
    558,288.14x = 233,937,699,379.91
  5. Step 5: Solve for x
    x = 233,937,699,379.91/558,288.14
  6. Step 6: Final answer
    x = 419,026.81

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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.