Home / 1,045.06-1,442.19-579.34

Finding the Fourth Proportional to 1,045.06, 1,442.19 and 579.34

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Solution

The fourth proportional to 1,045.06, 1,442.19 and 579.34 is: 799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.06 : 1,442.19 = 579.34 : x
  2. Step 2: Convert to fraction form
    1,045.06/1,442.19 = 579.34/x
  3. Step 3: Cross multiply
    1,045.06x = 1,442.19 × 579.34
  4. Step 4: Simplify right side
    1,045.06x = 835,518.35
  5. Step 5: Solve for x
    x = 835,518.35/1,045.06
  6. Step 6: Final answer
    x = 799.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.