Home / 1,045.48-1,442.82-579.73

Finding the Fourth Proportional to 1,045.48, 1,442.82 and 579.73

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Solution

The fourth proportional to 1,045.48, 1,442.82 and 579.73 is: 800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.48 : 1,442.82 = 579.73 : x
  2. Step 2: Convert to fraction form
    1,045.48/1,442.82 = 579.73/x
  3. Step 3: Cross multiply
    1,045.48x = 1,442.82 × 579.73
  4. Step 4: Simplify right side
    1,045.48x = 836,444.61
  5. Step 5: Solve for x
    x = 836,444.61/1,045.48
  6. Step 6: Final answer
    x = 800.06

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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.