Home / 507,979.91-701,013.26-281,625.41

Finding the Fourth Proportional to 507,979.91, 701,013.26 and 281,625.41

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Solution

The fourth proportional to 507,979.91, 701,013.26 and 281,625.41 is: 388,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,979.91 : 701,013.26 = 281,625.41 : x
  2. Step 2: Convert to fraction form
    507,979.91/701,013.26 = 281,625.41/x
  3. Step 3: Cross multiply
    507,979.91x = 701,013.26 × 281,625.41
  4. Step 4: Simplify right side
    507,979.91x = 197,423,141,849.74
  5. Step 5: Solve for x
    x = 197,423,141,849.74/507,979.91
  6. Step 6: Final answer
    x = 388,643.61

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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.