Home / 851,330.55-1,276,991.21-364,941.07

Finding the Fourth Proportional to 851,330.55, 1,276,991.21 and 364,941.07

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Solution

The fourth proportional to 851,330.55, 1,276,991.21 and 364,941.07 is: 547,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,330.55 : 1,276,991.21 = 364,941.07 : x
  2. Step 2: Convert to fraction form
    851,330.55/1,276,991.21 = 364,941.07/x
  3. Step 3: Cross multiply
    851,330.55x = 1,276,991.21 × 364,941.07
  4. Step 4: Simplify right side
    851,330.55x = 466,026,536,277.87
  5. Step 5: Solve for x
    x = 466,026,536,277.87/851,330.55
  6. Step 6: Final answer
    x = 547,409.62

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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.