Home / 1,036.91-1,554.95-459.38

Finding the Fourth Proportional to 1,036.91, 1,554.95 and 459.38

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Solution

The fourth proportional to 1,036.91, 1,554.95 and 459.38 is: 688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.91 : 1,554.95 = 459.38 : x
  2. Step 2: Convert to fraction form
    1,036.91/1,554.95 = 459.38/x
  3. Step 3: Cross multiply
    1,036.91x = 1,554.95 × 459.38
  4. Step 4: Simplify right side
    1,036.91x = 714,306.30
  5. Step 5: Solve for x
    x = 714,306.30/1,036.91
  6. Step 6: Final answer
    x = 688.88

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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.