Home / 730,604.52-1,095,716.70-309,663.72

Finding the Fourth Proportional to 730,604.52, 1,095,716.70 and 309,663.72

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Solution

The fourth proportional to 730,604.52, 1,095,716.70 and 309,663.72 is: 464,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,604.52 : 1,095,716.70 = 309,663.72 : x
  2. Step 2: Convert to fraction form
    730,604.52/1,095,716.70 = 309,663.72/x
  3. Step 3: Cross multiply
    730,604.52x = 1,095,716.70 × 309,663.72
  4. Step 4: Simplify right side
    730,604.52x = 339,303,709,388.12
  5. Step 5: Solve for x
    x = 339,303,709,388.12/730,604.52
  6. Step 6: Final answer
    x = 464,415.02

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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.