Home / 507,979.85-701,043.74-281,625.35

Finding the Fourth Proportional to 507,979.85, 701,043.74 and 281,625.35

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Solution

The fourth proportional to 507,979.85, 701,043.74 and 281,625.35 is: 388,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,979.85 : 701,043.74 = 281,625.35 : x
  2. Step 2: Convert to fraction form
    507,979.85/701,043.74 = 281,625.35/x
  3. Step 3: Cross multiply
    507,979.85x = 701,043.74 × 281,625.35
  4. Step 4: Simplify right side
    507,979.85x = 197,431,683,729.46
  5. Step 5: Solve for x
    x = 197,431,683,729.46/507,979.85
  6. Step 6: Final answer
    x = 388,660.47

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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.