Home / 939,511.75-1,409,255.31-229,545.94

Finding the Fourth Proportional to 939,511.75, 1,409,255.31 and 229,545.94

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Solution

The fourth proportional to 939,511.75, 1,409,255.31 and 229,545.94 is: 344,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,511.75 : 1,409,255.31 = 229,545.94 : x
  2. Step 2: Convert to fraction form
    939,511.75/1,409,255.31 = 229,545.94/x
  3. Step 3: Cross multiply
    939,511.75x = 1,409,255.31 × 229,545.94
  4. Step 4: Simplify right side
    939,511.75x = 323,488,827,787.67
  5. Step 5: Solve for x
    x = 323,488,827,787.67/939,511.75
  6. Step 6: Final answer
    x = 344,315.90

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1.5x scale

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.