Home / 905,166.50-1,358,936.31-606,981.38

Finding the Fourth Proportional to 905,166.50, 1,358,936.31 and 606,981.38

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Solution

The fourth proportional to 905,166.50, 1,358,936.31 and 606,981.38 is: 911,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,166.50 : 1,358,936.31 = 606,981.38 : x
  2. Step 2: Convert to fraction form
    905,166.50/1,358,936.31 = 606,981.38/x
  3. Step 3: Cross multiply
    905,166.50x = 1,358,936.31 × 606,981.38
  4. Step 4: Simplify right side
    905,166.50x = 824,849,036,775.91
  5. Step 5: Solve for x
    x = 824,849,036,775.91/905,166.50
  6. Step 6: Final answer
    x = 911,267.75

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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.