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Finding the Fourth Proportional to 453,750.40, 680,625.60 and 382,891.60

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Solution

The fourth proportional to 453,750.40, 680,625.60 and 382,891.60 is: 574,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,750.40 : 680,625.60 = 382,891.60 : x
  2. Step 2: Convert to fraction form
    453,750.40/680,625.60 = 382,891.60/x
  3. Step 3: Cross multiply
    453,750.40x = 680,625.60 × 382,891.60
  4. Step 4: Simplify right side
    453,750.40x = 260,605,824,984.96
  5. Step 5: Solve for x
    x = 260,605,824,984.96/453,750.40
  6. Step 6: Final answer
    x = 574,337.40

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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.