Home / 824,792.57-1,137,809.29-715,743.89

Finding the Fourth Proportional to 824,792.57, 1,137,809.29 and 715,743.89

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Solution

The fourth proportional to 824,792.57, 1,137,809.29 and 715,743.89 is: 987,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,792.57 : 1,137,809.29 = 715,743.89 : x
  2. Step 2: Convert to fraction form
    824,792.57/1,137,809.29 = 715,743.89/x
  3. Step 3: Cross multiply
    824,792.57x = 1,137,809.29 × 715,743.89
  4. Step 4: Simplify right side
    824,792.57x = 814,380,038,034.97
  5. Step 5: Solve for x
    x = 814,380,038,034.97/824,792.57
  6. Step 6: Final answer
    x = 987,375.58

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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.