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Finding the Fourth Proportional to 466,464.80, 700,215.60 and 256,512.80

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Solution

The fourth proportional to 466,464.80, 700,215.60 and 256,512.80 is: 385,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,464.80 : 700,215.60 = 256,512.80 : x
  2. Step 2: Convert to fraction form
    466,464.80/700,215.60 = 256,512.80/x
  3. Step 3: Cross multiply
    466,464.80x = 700,215.60 × 256,512.80
  4. Step 4: Simplify right side
    466,464.80x = 179,614,264,159.68
  5. Step 5: Solve for x
    x = 179,614,264,159.68/466,464.80
  6. Step 6: Final answer
    x = 385,054.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.