Home / 427,720.08-590,246.56-236,729.40

Finding the Fourth Proportional to 427,720.08, 590,246.56 and 236,729.40

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Solution

The fourth proportional to 427,720.08, 590,246.56 and 236,729.40 is: 326,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,720.08 : 590,246.56 = 236,729.40 : x
  2. Step 2: Convert to fraction form
    427,720.08/590,246.56 = 236,729.40/x
  3. Step 3: Cross multiply
    427,720.08x = 590,246.56 × 236,729.40
  4. Step 4: Simplify right side
    427,720.08x = 139,728,714,000.86
  5. Step 5: Solve for x
    x = 139,728,714,000.86/427,720.08
  6. Step 6: Final answer
    x = 326,682.61

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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.