Home / 667,890.77-1,001,602.87-401,698.85

Finding the Fourth Proportional to 667,890.77, 1,001,602.87 and 401,698.85

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Solution

The fourth proportional to 667,890.77, 1,001,602.87 and 401,698.85 is: 602,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,890.77 : 1,001,602.87 = 401,698.85 : x
  2. Step 2: Convert to fraction form
    667,890.77/1,001,602.87 = 401,698.85/x
  3. Step 3: Cross multiply
    667,890.77x = 1,001,602.87 × 401,698.85
  4. Step 4: Simplify right side
    667,890.77x = 402,342,715,023.44
  5. Step 5: Solve for x
    x = 402,342,715,023.44/667,890.77
  6. Step 6: Final answer
    x = 602,407.96

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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.