Home / 777,298.42-1,165,947.63-303,651.64

Finding the Fourth Proportional to 777,298.42, 1,165,947.63 and 303,651.64

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Solution

The fourth proportional to 777,298.42, 1,165,947.63 and 303,651.64 is: 455,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,298.42 : 1,165,947.63 = 303,651.64 : x
  2. Step 2: Convert to fraction form
    777,298.42/1,165,947.63 = 303,651.64/x
  3. Step 3: Cross multiply
    777,298.42x = 1,165,947.63 × 303,651.64
  4. Step 4: Simplify right side
    777,298.42x = 354,041,910,003.61
  5. Step 5: Solve for x
    x = 354,041,910,003.61/777,298.42
  6. Step 6: Final answer
    x = 455,477.46

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Double scale
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Similar ratio
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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.