Home / 759,922.72-1,139,184.24-338,968.96

Finding the Fourth Proportional to 759,922.72, 1,139,184.24 and 338,968.96

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Solution

The fourth proportional to 759,922.72, 1,139,184.24 and 338,968.96 is: 508,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,922.72 : 1,139,184.24 = 338,968.96 : x
  2. Step 2: Convert to fraction form
    759,922.72/1,139,184.24 = 338,968.96/x
  3. Step 3: Cross multiply
    759,922.72x = 1,139,184.24 × 338,968.96
  4. Step 4: Simplify right side
    759,922.72x = 386,148,097,081.19
  5. Step 5: Solve for x
    x = 386,148,097,081.19/759,922.72
  6. Step 6: Final answer
    x = 508,141.27

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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.