Home / 777,416.78-1,166,218.61-734,901.50

Finding the Fourth Proportional to 777,416.78, 1,166,218.61 and 734,901.50

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Solution

The fourth proportional to 777,416.78, 1,166,218.61 and 734,901.50 is: 1,102,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,416.78 : 1,166,218.61 = 734,901.50 : x
  2. Step 2: Convert to fraction form
    777,416.78/1,166,218.61 = 734,901.50/x
  3. Step 3: Cross multiply
    777,416.78x = 1,166,218.61 × 734,901.50
  4. Step 4: Simplify right side
    777,416.78x = 857,055,796,311.32
  5. Step 5: Solve for x
    x = 857,055,796,311.32/777,416.78
  6. Step 6: Final answer
    x = 1,102,440.57

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1.5x scale

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.