Home / 507,490.19-761,405.23-165,949.36

Finding the Fourth Proportional to 507,490.19, 761,405.23 and 165,949.36

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Solution

The fourth proportional to 507,490.19, 761,405.23 and 165,949.36 is: 248,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,490.19 : 761,405.23 = 165,949.36 : x
  2. Step 2: Convert to fraction form
    507,490.19/761,405.23 = 165,949.36/x
  3. Step 3: Cross multiply
    507,490.19x = 761,405.23 × 165,949.36
  4. Step 4: Simplify right side
    507,490.19x = 126,354,709,789.41
  5. Step 5: Solve for x
    x = 126,354,709,789.41/507,490.19
  6. Step 6: Final answer
    x = 248,979.61

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1.5x scale

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.