Home / 646,435.06-969,328.18-376,650.38

Finding the Fourth Proportional to 646,435.06, 969,328.18 and 376,650.38

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Solution

The fourth proportional to 646,435.06, 969,328.18 and 376,650.38 is: 564,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,435.06 : 969,328.18 = 376,650.38 : x
  2. Step 2: Convert to fraction form
    646,435.06/969,328.18 = 376,650.38/x
  3. Step 3: Cross multiply
    646,435.06x = 969,328.18 × 376,650.38
  4. Step 4: Simplify right side
    646,435.06x = 365,097,830,235.84
  5. Step 5: Solve for x
    x = 365,097,830,235.84/646,435.06
  6. Step 6: Final answer
    x = 564,786.56

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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.