Home / 806,872.59-1,210,307.67-245,907.09

Finding the Fourth Proportional to 806,872.59, 1,210,307.67 and 245,907.09

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Solution

The fourth proportional to 806,872.59, 1,210,307.67 and 245,907.09 is: 368,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,872.59 : 1,210,307.67 = 245,907.09 : x
  2. Step 2: Convert to fraction form
    806,872.59/1,210,307.67 = 245,907.09/x
  3. Step 3: Cross multiply
    806,872.59x = 1,210,307.67 × 245,907.09
  4. Step 4: Simplify right side
    806,872.59x = 297,623,237,134.38
  5. Step 5: Solve for x
    x = 297,623,237,134.38/806,872.59
  6. Step 6: Final answer
    x = 368,860.26

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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.