Home / 658,064.16-987,116.40-225,775.56

Finding the Fourth Proportional to 658,064.16, 987,116.40 and 225,775.56

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Solution

The fourth proportional to 658,064.16, 987,116.40 and 225,775.56 is: 338,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,064.16 : 987,116.40 = 225,775.56 : x
  2. Step 2: Convert to fraction form
    658,064.16/987,116.40 = 225,775.56/x
  3. Step 3: Cross multiply
    658,064.16x = 987,116.40 × 225,775.56
  4. Step 4: Simplify right side
    658,064.16x = 222,866,757,995.18
  5. Step 5: Solve for x
    x = 222,866,757,995.18/658,064.16
  6. Step 6: Final answer
    x = 338,670.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.