Home / 789,907.18-1,185,341.92-284,425.88

Finding the Fourth Proportional to 789,907.18, 1,185,341.92 and 284,425.88

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Solution

The fourth proportional to 789,907.18, 1,185,341.92 and 284,425.88 is: 426,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,907.18 : 1,185,341.92 = 284,425.88 : x
  2. Step 2: Convert to fraction form
    789,907.18/1,185,341.92 = 284,425.88/x
  3. Step 3: Cross multiply
    789,907.18x = 1,185,341.92 × 284,425.88
  4. Step 4: Simplify right side
    789,907.18x = 337,141,918,696.89
  5. Step 5: Solve for x
    x = 337,141,918,696.89/789,907.18
  6. Step 6: Final answer
    x = 426,812.07

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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.