Home / 774,564.90-1,161,497.43-275,941.86

Finding the Fourth Proportional to 774,564.90, 1,161,497.43 and 275,941.86

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Solution

The fourth proportional to 774,564.90, 1,161,497.43 and 275,941.86 is: 413,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,564.90 : 1,161,497.43 = 275,941.86 : x
  2. Step 2: Convert to fraction form
    774,564.90/1,161,497.43 = 275,941.86/x
  3. Step 3: Cross multiply
    774,564.90x = 1,161,497.43 × 275,941.86
  4. Step 4: Simplify right side
    774,564.90x = 320,505,761,219.42
  5. Step 5: Solve for x
    x = 320,505,761,219.42/774,564.90
  6. Step 6: Final answer
    x = 413,788.13

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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.