Home / 558,289.14-770,442.66-303,642.18

Finding the Fourth Proportional to 558,289.14, 770,442.66 and 303,642.18

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Solution

The fourth proportional to 558,289.14, 770,442.66 and 303,642.18 is: 419,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,289.14 : 770,442.66 = 303,642.18 : x
  2. Step 2: Convert to fraction form
    558,289.14/770,442.66 = 303,642.18/x
  3. Step 3: Cross multiply
    558,289.14x = 770,442.66 × 303,642.18
  4. Step 4: Simplify right side
    558,289.14x = 233,938,888,847.40
  5. Step 5: Solve for x
    x = 233,938,888,847.40/558,289.14
  6. Step 6: Final answer
    x = 419,028.19

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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.