Home / 782,852.45-1,079,592.50-510,833.39

Finding the Fourth Proportional to 782,852.45, 1,079,592.50 and 510,833.39

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Solution

The fourth proportional to 782,852.45, 1,079,592.50 and 510,833.39 is: 704,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,852.45 : 1,079,592.50 = 510,833.39 : x
  2. Step 2: Convert to fraction form
    782,852.45/1,079,592.50 = 510,833.39/x
  3. Step 3: Cross multiply
    782,852.45x = 1,079,592.50 × 510,833.39
  4. Step 4: Simplify right side
    782,852.45x = 551,491,892,472.70
  5. Step 5: Solve for x
    x = 551,491,892,472.70/782,852.45
  6. Step 6: Final answer
    x = 704,464.67

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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.