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Finding the Fourth Proportional to 453,477.20, 680,215.80 and 254,411.60

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Solution

The fourth proportional to 453,477.20, 680,215.80 and 254,411.60 is: 381,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,477.20 : 680,215.80 = 254,411.60 : x
  2. Step 2: Convert to fraction form
    453,477.20/680,215.80 = 254,411.60/x
  3. Step 3: Cross multiply
    453,477.20x = 680,215.80 × 254,411.60
  4. Step 4: Simplify right side
    453,477.20x = 173,054,790,023.28
  5. Step 5: Solve for x
    x = 173,054,790,023.28/453,477.20
  6. Step 6: Final answer
    x = 381,617.40

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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.