Home / 653,026.76-979,918.40-273,913.64

Finding the Fourth Proportional to 653,026.76, 979,918.40 and 273,913.64

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Solution

The fourth proportional to 653,026.76, 979,918.40 and 273,913.64 is: 411,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,026.76 : 979,918.40 = 273,913.64 : x
  2. Step 2: Convert to fraction form
    653,026.76/979,918.40 = 273,913.64/x
  3. Step 3: Cross multiply
    653,026.76x = 979,918.40 × 273,913.64
  4. Step 4: Simplify right side
    653,026.76x = 268,413,015,846.98
  5. Step 5: Solve for x
    x = 268,413,015,846.98/653,026.76
  6. Step 6: Final answer
    x = 411,029.12

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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.