Home / 453,850.20-680,921.10-304,259.40

Finding the Fourth Proportional to 453,850.20, 680,921.10 and 304,259.40

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Solution

The fourth proportional to 453,850.20, 680,921.10 and 304,259.40 is: 456,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,850.20 : 680,921.10 = 304,259.40 : x
  2. Step 2: Convert to fraction form
    453,850.20/680,921.10 = 304,259.40/x
  3. Step 3: Cross multiply
    453,850.20x = 680,921.10 × 304,259.40
  4. Step 4: Simplify right side
    453,850.20x = 207,176,645,333.34
  5. Step 5: Solve for x
    x = 207,176,645,333.34/453,850.20
  6. Step 6: Final answer
    x = 456,486.84

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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.