Home / 755,040.36-1,131,773.24-306,071.16

Finding the Fourth Proportional to 755,040.36, 1,131,773.24 and 306,071.16

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Solution

The fourth proportional to 755,040.36, 1,131,773.24 and 306,071.16 is: 458,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,040.36 : 1,131,773.24 = 306,071.16 : x
  2. Step 2: Convert to fraction form
    755,040.36/1,131,773.24 = 306,071.16/x
  3. Step 3: Cross multiply
    755,040.36x = 1,131,773.24 × 306,071.16
  4. Step 4: Simplify right side
    755,040.36x = 346,403,148,423.76
  5. Step 5: Solve for x
    x = 346,403,148,423.76/755,040.36
  6. Step 6: Final answer
    x = 458,787.59

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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.