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Finding the Fourth Proportional to 605,456.94, 835,467.72 and 372,846.90

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Solution

The fourth proportional to 605,456.94, 835,467.72 and 372,846.90 is: 514,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,456.94 : 835,467.72 = 372,846.90 : x
  2. Step 2: Convert to fraction form
    605,456.94/835,467.72 = 372,846.90/x
  3. Step 3: Cross multiply
    605,456.94x = 835,467.72 × 372,846.90
  4. Step 4: Simplify right side
    605,456.94x = 311,501,549,452.07
  5. Step 5: Solve for x
    x = 311,501,549,452.07/605,456.94
  6. Step 6: Final answer
    x = 514,490.01

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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.