Home / 806,560.88-1,209,841.34-245,595.38

Finding the Fourth Proportional to 806,560.88, 1,209,841.34 and 245,595.38

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Solution

The fourth proportional to 806,560.88, 1,209,841.34 and 245,595.38 is: 368,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,560.88 : 1,209,841.34 = 245,595.38 : x
  2. Step 2: Convert to fraction form
    806,560.88/1,209,841.34 = 245,595.38/x
  3. Step 3: Cross multiply
    806,560.88x = 1,209,841.34 × 245,595.38
  4. Step 4: Simplify right side
    806,560.88x = 297,131,436,359.83
  5. Step 5: Solve for x
    x = 297,131,436,359.83/806,560.88
  6. Step 6: Final answer
    x = 368,393.07

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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.