Home / 1,499.03-2,248.91-459.05

Finding the Fourth Proportional to 1,499.03, 2,248.91 and 459.05

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Solution

The fourth proportional to 1,499.03, 2,248.91 and 459.05 is: 688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.03 : 2,248.91 = 459.05 : x
  2. Step 2: Convert to fraction form
    1,499.03/2,248.91 = 459.05/x
  3. Step 3: Cross multiply
    1,499.03x = 2,248.91 × 459.05
  4. Step 4: Simplify right side
    1,499.03x = 1,032,362.14
  5. Step 5: Solve for x
    x = 1,032,362.14/1,499.03
  6. Step 6: Final answer
    x = 688.69

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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.