Home / 1,027.48-1,417.73-607.90

Finding the Fourth Proportional to 1,027.48, 1,417.73 and 607.90

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Solution

The fourth proportional to 1,027.48, 1,417.73 and 607.90 is: 838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.48 : 1,417.73 = 607.90 : x
  2. Step 2: Convert to fraction form
    1,027.48/1,417.73 = 607.90/x
  3. Step 3: Cross multiply
    1,027.48x = 1,417.73 × 607.90
  4. Step 4: Simplify right side
    1,027.48x = 861,838.07
  5. Step 5: Solve for x
    x = 861,838.07/1,027.48
  6. Step 6: Final answer
    x = 838.79

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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.