Home / 517,077.03-713,274.82-310,291.90

Finding the Fourth Proportional to 517,077.03, 713,274.82 and 310,291.90

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Solution

The fourth proportional to 517,077.03, 713,274.82 and 310,291.90 is: 428,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,077.03 : 713,274.82 = 310,291.90 : x
  2. Step 2: Convert to fraction form
    517,077.03/713,274.82 = 310,291.90/x
  3. Step 3: Cross multiply
    517,077.03x = 713,274.82 × 310,291.90
  4. Step 4: Simplify right side
    517,077.03x = 221,323,399,119.96
  5. Step 5: Solve for x
    x = 221,323,399,119.96/517,077.03
  6. Step 6: Final answer
    x = 428,027.91

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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.