Home / 777,269.21-1,072,603.19-433,087.35

Finding the Fourth Proportional to 777,269.21, 1,072,603.19 and 433,087.35

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Solution

The fourth proportional to 777,269.21, 1,072,603.19 and 433,087.35 is: 597,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,269.21 : 1,072,603.19 = 433,087.35 : x
  2. Step 2: Convert to fraction form
    777,269.21/1,072,603.19 = 433,087.35/x
  3. Step 3: Cross multiply
    777,269.21x = 1,072,603.19 × 433,087.35
  4. Step 4: Simplify right side
    777,269.21x = 464,530,870,993.21
  5. Step 5: Solve for x
    x = 464,530,870,993.21/777,269.21
  6. Step 6: Final answer
    x = 597,644.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.