Home / 824,792.25-1,137,808.86-715,743.57

Finding the Fourth Proportional to 824,792.25, 1,137,808.86 and 715,743.57

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Solution

The fourth proportional to 824,792.25, 1,137,808.86 and 715,743.57 is: 987,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,792.25 : 1,137,808.86 = 715,743.57 : x
  2. Step 2: Convert to fraction form
    824,792.25/1,137,808.86 = 715,743.57/x
  3. Step 3: Cross multiply
    824,792.25x = 1,137,808.86 × 715,743.57
  4. Step 4: Simplify right side
    824,792.25x = 814,379,372,749.99
  5. Step 5: Solve for x
    x = 814,379,372,749.99/824,792.25
  6. Step 6: Final answer
    x = 987,375.15

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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.