Home / 858,996.84-1,185,431.62-477,059.16

Finding the Fourth Proportional to 858,996.84, 1,185,431.62 and 477,059.16

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Solution

The fourth proportional to 858,996.84, 1,185,431.62 and 477,059.16 is: 658,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,996.84 : 1,185,431.62 = 477,059.16 : x
  2. Step 2: Convert to fraction form
    858,996.84/1,185,431.62 = 477,059.16/x
  3. Step 3: Cross multiply
    858,996.84x = 1,185,431.62 × 477,059.16
  4. Step 4: Simplify right side
    858,996.84x = 565,521,012,874.64
  5. Step 5: Solve for x
    x = 565,521,012,874.64/858,996.84
  6. Step 6: Final answer
    x = 658,350.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.