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Finding the Fourth Proportional to 471,524.69, 650,718.75 and 256,679.07

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Solution

The fourth proportional to 471,524.69, 650,718.75 and 256,679.07 is: 354,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,524.69 : 650,718.75 = 256,679.07 : x
  2. Step 2: Convert to fraction form
    471,524.69/650,718.75 = 256,679.07/x
  3. Step 3: Cross multiply
    471,524.69x = 650,718.75 × 256,679.07
  4. Step 4: Simplify right side
    471,524.69x = 167,025,883,581.56
  5. Step 5: Solve for x
    x = 167,025,883,581.56/471,524.69
  6. Step 6: Final answer
    x = 354,225.11

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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.