Home / 558,289.31-770,437.10-303,644.75

Finding the Fourth Proportional to 558,289.31, 770,437.10 and 303,644.75

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Solution

The fourth proportional to 558,289.31, 770,437.10 and 303,644.75 is: 419,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,289.31 : 770,437.10 = 303,644.75 : x
  2. Step 2: Convert to fraction form
    558,289.31/770,437.10 = 303,644.75/x
  3. Step 3: Cross multiply
    558,289.31x = 770,437.10 × 303,644.75
  4. Step 4: Simplify right side
    558,289.31x = 233,939,175,249.82
  5. Step 5: Solve for x
    x = 233,939,175,249.82/558,289.31
  6. Step 6: Final answer
    x = 419,028.58

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1.5x scale

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.