Home / 653,002.36-979,881.71-273,889.35

Finding the Fourth Proportional to 653,002.36, 979,881.71 and 273,889.35

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Solution

The fourth proportional to 653,002.36, 979,881.71 and 273,889.35 is: 410,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,002.36 : 979,881.71 = 273,889.35 : x
  2. Step 2: Convert to fraction form
    653,002.36/979,881.71 = 273,889.35/x
  3. Step 3: Cross multiply
    653,002.36x = 979,881.71 × 273,889.35
  4. Step 4: Simplify right side
    653,002.36x = 268,379,163,259.34
  5. Step 5: Solve for x
    x = 268,379,163,259.34/653,002.36
  6. Step 6: Final answer
    x = 410,992.64

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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.