Home / 915,326.31-1,372,670.91-375,429.24

Finding the Fourth Proportional to 915,326.31, 1,372,670.91 and 375,429.24

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Solution

The fourth proportional to 915,326.31, 1,372,670.91 and 375,429.24 is: 563,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,326.31 : 1,372,670.91 = 375,429.24 : x
  2. Step 2: Convert to fraction form
    915,326.31/1,372,670.91 = 375,429.24/x
  3. Step 3: Cross multiply
    915,326.31x = 1,372,670.91 × 375,429.24
  4. Step 4: Simplify right side
    915,326.31x = 515,340,796,511.41
  5. Step 5: Solve for x
    x = 515,340,796,511.41/915,326.31
  6. Step 6: Final answer
    x = 563,013.20

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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.