Home / 680,792.06-1,020,715.15-301,506.09

Finding the Fourth Proportional to 680,792.06, 1,020,715.15 and 301,506.09

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Solution

The fourth proportional to 680,792.06, 1,020,715.15 and 301,506.09 is: 452,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,792.06 : 1,020,715.15 = 301,506.09 : x
  2. Step 2: Convert to fraction form
    680,792.06/1,020,715.15 = 301,506.09/x
  3. Step 3: Cross multiply
    680,792.06x = 1,020,715.15 × 301,506.09
  4. Step 4: Simplify right side
    680,792.06x = 307,751,833,880.26
  5. Step 5: Solve for x
    x = 307,751,833,880.26/680,792.06
  6. Step 6: Final answer
    x = 452,049.68

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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.