Home / 520,042.08-779,887.44-145,976.16

Finding the Fourth Proportional to 520,042.08, 779,887.44 and 145,976.16

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Solution

The fourth proportional to 520,042.08, 779,887.44 and 145,976.16 is: 218,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,042.08 : 779,887.44 = 145,976.16 : x
  2. Step 2: Convert to fraction form
    520,042.08/779,887.44 = 145,976.16/x
  3. Step 3: Cross multiply
    520,042.08x = 779,887.44 × 145,976.16
  4. Step 4: Simplify right side
    520,042.08x = 113,844,973,723.43
  5. Step 5: Solve for x
    x = 113,844,973,723.43/520,042.08
  6. Step 6: Final answer
    x = 218,914.93

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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.