Home / 422,786.08-583,444.60-231,795.40

Finding the Fourth Proportional to 422,786.08, 583,444.60 and 231,795.40

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Solution

The fourth proportional to 422,786.08, 583,444.60 and 231,795.40 is: 319,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,786.08 : 583,444.60 = 231,795.40 : x
  2. Step 2: Convert to fraction form
    422,786.08/583,444.60 = 231,795.40/x
  3. Step 3: Cross multiply
    422,786.08x = 583,444.60 × 231,795.40
  4. Step 4: Simplify right side
    422,786.08x = 135,239,774,434.84
  5. Step 5: Solve for x
    x = 135,239,774,434.84/422,786.08
  6. Step 6: Final answer
    x = 319,877.55

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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.