Home / 758,090.27-1,137,139.11-308,815.46

Finding the Fourth Proportional to 758,090.27, 1,137,139.11 and 308,815.46

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Solution

The fourth proportional to 758,090.27, 1,137,139.11 and 308,815.46 is: 463,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,090.27 : 1,137,139.11 = 308,815.46 : x
  2. Step 2: Convert to fraction form
    758,090.27/1,137,139.11 = 308,815.46/x
  3. Step 3: Cross multiply
    758,090.27x = 1,137,139.11 × 308,815.46
  4. Step 4: Simplify right side
    758,090.27x = 351,166,131,652.95
  5. Step 5: Solve for x
    x = 351,166,131,652.95/758,090.27
  6. Step 6: Final answer
    x = 463,224.69

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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.