Home / 422,976.32-583,699.38-239,212.44

Finding the Fourth Proportional to 422,976.32, 583,699.38 and 239,212.44

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Solution

The fourth proportional to 422,976.32, 583,699.38 and 239,212.44 is: 330,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,976.32 : 583,699.38 = 239,212.44 : x
  2. Step 2: Convert to fraction form
    422,976.32/583,699.38 = 239,212.44/x
  3. Step 3: Cross multiply
    422,976.32x = 583,699.38 × 239,212.44
  4. Step 4: Simplify right side
    422,976.32x = 139,628,152,916.29
  5. Step 5: Solve for x
    x = 139,628,152,916.29/422,976.32
  6. Step 6: Final answer
    x = 330,108.68

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1.5x scale

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.