Home / 422,795.04-583,454.08-231,805.28

Finding the Fourth Proportional to 422,795.04, 583,454.08 and 231,805.28

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Solution

The fourth proportional to 422,795.04, 583,454.08 and 231,805.28 is: 319,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,795.04 : 583,454.08 = 231,805.28 : x
  2. Step 2: Convert to fraction form
    422,795.04/583,454.08 = 231,805.28/x
  3. Step 3: Cross multiply
    422,795.04x = 583,454.08 × 231,805.28
  4. Step 4: Simplify right side
    422,795.04x = 135,247,736,381.54
  5. Step 5: Solve for x
    x = 135,247,736,381.54/422,795.04
  6. Step 6: Final answer
    x = 319,889.60

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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.