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Finding the Fourth Proportional to 556,216.70, 834,653.10 and 367,223.45

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Solution

The fourth proportional to 556,216.70, 834,653.10 and 367,223.45 is: 551,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,216.70 : 834,653.10 = 367,223.45 : x
  2. Step 2: Convert to fraction form
    556,216.70/834,653.10 = 367,223.45/x
  3. Step 3: Cross multiply
    556,216.70x = 834,653.10 × 367,223.45
  4. Step 4: Simplify right side
    556,216.70x = 306,504,190,935.20
  5. Step 5: Solve for x
    x = 306,504,190,935.20/556,216.70
  6. Step 6: Final answer
    x = 551,051.76

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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.