Home / 427,729.59-590,259.69-236,738.88

Finding the Fourth Proportional to 427,729.59, 590,259.69 and 236,738.88

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Solution

The fourth proportional to 427,729.59, 590,259.69 and 236,738.88 is: 326,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,729.59 : 590,259.69 = 236,738.88 : x
  2. Step 2: Convert to fraction form
    427,729.59/590,259.69 = 236,738.88/x
  3. Step 3: Cross multiply
    427,729.59x = 590,259.69 × 236,738.88
  4. Step 4: Simplify right side
    427,729.59x = 139,737,417,919.75
  5. Step 5: Solve for x
    x = 139,737,417,919.75/427,729.59
  6. Step 6: Final answer
    x = 326,695.70

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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.