Home / 537,819.20-804,979.20-418,846.40

Finding the Fourth Proportional to 537,819.20, 804,979.20 and 418,846.40

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Solution

The fourth proportional to 537,819.20, 804,979.20 and 418,846.40 is: 626,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,819.20 : 804,979.20 = 418,846.40 : x
  2. Step 2: Convert to fraction form
    537,819.20/804,979.20 = 418,846.40/x
  3. Step 3: Cross multiply
    537,819.20x = 804,979.20 × 418,846.40
  4. Step 4: Simplify right side
    537,819.20x = 337,162,639,994.88
  5. Step 5: Solve for x
    x = 337,162,639,994.88/537,819.20
  6. Step 6: Final answer
    x = 626,907.03

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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.