Home / 715,967.26-1,074,248.29-289,804.34

Finding the Fourth Proportional to 715,967.26, 1,074,248.29 and 289,804.34

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Solution

The fourth proportional to 715,967.26, 1,074,248.29 and 289,804.34 is: 434,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,967.26 : 1,074,248.29 = 289,804.34 : x
  2. Step 2: Convert to fraction form
    715,967.26/1,074,248.29 = 289,804.34/x
  3. Step 3: Cross multiply
    715,967.26x = 1,074,248.29 × 289,804.34
  4. Step 4: Simplify right side
    715,967.26x = 311,321,816,679.58
  5. Step 5: Solve for x
    x = 311,321,816,679.58/715,967.26
  6. Step 6: Final answer
    x = 434,826.89

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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.