Home / 1,036.23-1,554.90-443.19

Finding the Fourth Proportional to 1,036.23, 1,554.90 and 443.19

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Solution

The fourth proportional to 1,036.23, 1,554.90 and 443.19 is: 665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.23 : 1,554.90 = 443.19 : x
  2. Step 2: Convert to fraction form
    1,036.23/1,554.90 = 443.19/x
  3. Step 3: Cross multiply
    1,036.23x = 1,554.90 × 443.19
  4. Step 4: Simplify right side
    1,036.23x = 689,116.13
  5. Step 5: Solve for x
    x = 689,116.13/1,036.23
  6. Step 6: Final answer
    x = 665.02

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Double scale
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1.5x scale

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.