Home / 443,296.60-665,929.08-274,941.36

Finding the Fourth Proportional to 443,296.60, 665,929.08 and 274,941.36

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Solution

The fourth proportional to 443,296.60, 665,929.08 and 274,941.36 is: 413,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,296.60 : 665,929.08 = 274,941.36 : x
  2. Step 2: Convert to fraction form
    443,296.60/665,929.08 = 274,941.36/x
  3. Step 3: Cross multiply
    443,296.60x = 665,929.08 × 274,941.36
  4. Step 4: Simplify right side
    443,296.60x = 183,091,446,918.75
  5. Step 5: Solve for x
    x = 183,091,446,918.75/443,296.60
  6. Step 6: Final answer
    x = 413,022.45

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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.