Home / 755,045.36-1,131,780.74-306,076.16

Finding the Fourth Proportional to 755,045.36, 1,131,780.74 and 306,076.16

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Solution

The fourth proportional to 755,045.36, 1,131,780.74 and 306,076.16 is: 458,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,045.36 : 1,131,780.74 = 306,076.16 : x
  2. Step 2: Convert to fraction form
    755,045.36/1,131,780.74 = 306,076.16/x
  3. Step 3: Cross multiply
    755,045.36x = 1,131,780.74 × 306,076.16
  4. Step 4: Simplify right side
    755,045.36x = 346,411,102,861.16
  5. Step 5: Solve for x
    x = 346,411,102,861.16/755,045.36
  6. Step 6: Final answer
    x = 458,795.09

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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.