Home / 653,039.18-979,485.26-226,496.42

Finding the Fourth Proportional to 653,039.18, 979,485.26 and 226,496.42

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Solution

The fourth proportional to 653,039.18, 979,485.26 and 226,496.42 is: 339,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,039.18 : 979,485.26 = 226,496.42 : x
  2. Step 2: Convert to fraction form
    653,039.18/979,485.26 = 226,496.42/x
  3. Step 3: Cross multiply
    653,039.18x = 979,485.26 × 226,496.42
  4. Step 4: Simplify right side
    653,039.18x = 221,849,898,802.86
  5. Step 5: Solve for x
    x = 221,849,898,802.86/653,039.18
  6. Step 6: Final answer
    x = 339,719.13

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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.