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Finding the Fourth Proportional to 471,528.06, 650,723.40 and 256,682.45

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Solution

The fourth proportional to 471,528.06, 650,723.40 and 256,682.45 is: 354,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,528.06 : 650,723.40 = 256,682.45 : x
  2. Step 2: Convert to fraction form
    471,528.06/650,723.40 = 256,682.45/x
  3. Step 3: Cross multiply
    471,528.06x = 650,723.40 × 256,682.45
  4. Step 4: Simplify right side
    471,528.06x = 167,029,273,330.71
  5. Step 5: Solve for x
    x = 167,029,273,330.71/471,528.06
  6. Step 6: Final answer
    x = 354,229.76

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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.