Home / 734,878.29-1,101,888.38-285,073.54

Finding the Fourth Proportional to 734,878.29, 1,101,888.38 and 285,073.54

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Solution

The fourth proportional to 734,878.29, 1,101,888.38 and 285,073.54 is: 427,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,878.29 : 1,101,888.38 = 285,073.54 : x
  2. Step 2: Convert to fraction form
    734,878.29/1,101,888.38 = 285,073.54/x
  3. Step 3: Cross multiply
    734,878.29x = 1,101,888.38 × 285,073.54
  4. Step 4: Simplify right side
    734,878.29x = 314,119,221,171.47
  5. Step 5: Solve for x
    x = 314,119,221,171.47/734,878.29
  6. Step 6: Final answer
    x = 427,443.87

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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.