Home / 683,478.42-942,493.68-587,001.72

Finding the Fourth Proportional to 683,478.42, 942,493.68 and 587,001.72

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Solution

The fourth proportional to 683,478.42, 942,493.68 and 587,001.72 is: 809,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,478.42 : 942,493.68 = 587,001.72 : x
  2. Step 2: Convert to fraction form
    683,478.42/942,493.68 = 587,001.72/x
  3. Step 3: Cross multiply
    683,478.42x = 942,493.68 × 587,001.72
  4. Step 4: Simplify right side
    683,478.42x = 553,245,414,783.48
  5. Step 5: Solve for x
    x = 553,245,414,783.48/683,478.42
  6. Step 6: Final answer
    x = 809,455.58

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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.