Home / 782,777.78-1,173,796.54-303,230.19

Finding the Fourth Proportional to 782,777.78, 1,173,796.54 and 303,230.19

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Solution

The fourth proportional to 782,777.78, 1,173,796.54 and 303,230.19 is: 454,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,777.78 : 1,173,796.54 = 303,230.19 : x
  2. Step 2: Convert to fraction form
    782,777.78/1,173,796.54 = 303,230.19/x
  3. Step 3: Cross multiply
    782,777.78x = 1,173,796.54 × 303,230.19
  4. Step 4: Simplify right side
    782,777.78x = 355,930,547,087.47
  5. Step 5: Solve for x
    x = 355,930,547,087.47/782,777.78
  6. Step 6: Final answer
    x = 454,701.91

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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.