Home / 718,816.08-1,078,109.70-239,003.96

Finding the Fourth Proportional to 718,816.08, 1,078,109.70 and 239,003.96

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Solution

The fourth proportional to 718,816.08, 1,078,109.70 and 239,003.96 is: 358,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,816.08 : 1,078,109.70 = 239,003.96 : x
  2. Step 2: Convert to fraction form
    718,816.08/1,078,109.70 = 239,003.96/x
  3. Step 3: Cross multiply
    718,816.08x = 1,078,109.70 × 239,003.96
  4. Step 4: Simplify right side
    718,816.08x = 257,672,487,614.41
  5. Step 5: Solve for x
    x = 257,672,487,614.41/718,816.08
  6. Step 6: Final answer
    x = 358,467.90

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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.