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Finding the Fourth Proportional to 556,604.85, 834,387.87 and 219,648.30

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Solution

The fourth proportional to 556,604.85, 834,387.87 and 219,648.30 is: 329,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,604.85 : 834,387.87 = 219,648.30 : x
  2. Step 2: Convert to fraction form
    556,604.85/834,387.87 = 219,648.30/x
  3. Step 3: Cross multiply
    556,604.85x = 834,387.87 × 219,648.30
  4. Step 4: Simplify right side
    556,604.85x = 183,271,877,186.12
  5. Step 5: Solve for x
    x = 183,271,877,186.12/556,604.85
  6. Step 6: Final answer
    x = 329,267.48

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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.