Home / 777,360.02-1,166,196.76-328,081.37

Finding the Fourth Proportional to 777,360.02, 1,166,196.76 and 328,081.37

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Solution

The fourth proportional to 777,360.02, 1,166,196.76 and 328,081.37 is: 492,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,360.02 : 1,166,196.76 = 328,081.37 : x
  2. Step 2: Convert to fraction form
    777,360.02/1,166,196.76 = 328,081.37/x
  3. Step 3: Cross multiply
    777,360.02x = 1,166,196.76 × 328,081.37
  4. Step 4: Simplify right side
    777,360.02x = 382,607,424,879.38
  5. Step 5: Solve for x
    x = 382,607,424,879.38/777,360.02
  6. Step 6: Final answer
    x = 492,188.20

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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.