Home / 745,672.84-1,118,573.85-205,929.34

Finding the Fourth Proportional to 745,672.84, 1,118,573.85 and 205,929.34

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Solution

The fourth proportional to 745,672.84, 1,118,573.85 and 205,929.34 is: 308,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,672.84 : 1,118,573.85 = 205,929.34 : x
  2. Step 2: Convert to fraction form
    745,672.84/1,118,573.85 = 205,929.34/x
  3. Step 3: Cross multiply
    745,672.84x = 1,118,573.85 × 205,929.34
  4. Step 4: Simplify right side
    745,672.84x = 230,347,172,647.56
  5. Step 5: Solve for x
    x = 230,347,172,647.56/745,672.84
  6. Step 6: Final answer
    x = 308,911.85

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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.