Home / 338,879.09-507,517.14-294,263.38

Finding the Fourth Proportional to 338,879.09, 507,517.14 and 294,263.38

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Solution

The fourth proportional to 338,879.09, 507,517.14 and 294,263.38 is: 440,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,879.09 : 507,517.14 = 294,263.38 : x
  2. Step 2: Convert to fraction form
    338,879.09/507,517.14 = 294,263.38/x
  3. Step 3: Cross multiply
    338,879.09x = 507,517.14 × 294,263.38
  4. Step 4: Simplify right side
    338,879.09x = 149,343,710,762.22
  5. Step 5: Solve for x
    x = 149,343,710,762.22/338,879.09
  6. Step 6: Final answer
    x = 440,699.10

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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.