Home / 1,027.13-1,417.55-607.62

Finding the Fourth Proportional to 1,027.13, 1,417.55 and 607.62

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Solution

The fourth proportional to 1,027.13, 1,417.55 and 607.62 is: 838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.13 : 1,417.55 = 607.62 : x
  2. Step 2: Convert to fraction form
    1,027.13/1,417.55 = 607.62/x
  3. Step 3: Cross multiply
    1,027.13x = 1,417.55 × 607.62
  4. Step 4: Simplify right side
    1,027.13x = 861,331.73
  5. Step 5: Solve for x
    x = 861,331.73/1,027.13
  6. Step 6: Final answer
    x = 838.58

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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.