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Finding the Fourth Proportional to 471,430.28, 650,561.38 and 256,565.80

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Solution

The fourth proportional to 471,430.28, 650,561.38 and 256,565.80 is: 354,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,430.28 : 650,561.38 = 256,565.80 : x
  2. Step 2: Convert to fraction form
    471,430.28/650,561.38 = 256,565.80/x
  3. Step 3: Cross multiply
    471,430.28x = 650,561.38 × 256,565.80
  4. Step 4: Simplify right side
    471,430.28x = 166,911,800,908.80
  5. Step 5: Solve for x
    x = 166,911,800,908.80/471,430.28
  6. Step 6: Final answer
    x = 354,054.05

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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.