Home / 749.03-1,033.62-434.09

Finding the Fourth Proportional to 749.03, 1,033.62 and 434.09

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Solution

The fourth proportional to 749.03, 1,033.62 and 434.09 is: 599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.03 : 1,033.62 = 434.09 : x
  2. Step 2: Convert to fraction form
    749.03/1,033.62 = 434.09/x
  3. Step 3: Cross multiply
    749.03x = 1,033.62 × 434.09
  4. Step 4: Simplify right side
    749.03x = 448,678.94
  5. Step 5: Solve for x
    x = 448,678.94/749.03
  6. Step 6: Final answer
    x = 599.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.