Home / 1,036.03-1,554.45-458.50

Finding the Fourth Proportional to 1,036.03, 1,554.45 and 458.50

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Solution

The fourth proportional to 1,036.03, 1,554.45 and 458.50 is: 687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.03 : 1,554.45 = 458.50 : x
  2. Step 2: Convert to fraction form
    1,036.03/1,554.45 = 458.50/x
  3. Step 3: Cross multiply
    1,036.03x = 1,554.45 × 458.50
  4. Step 4: Simplify right side
    1,036.03x = 712,715.33
  5. Step 5: Solve for x
    x = 712,715.33/1,036.03
  6. Step 6: Final answer
    x = 687.93

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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.