Home / 1,040.68-1,436.21-598.60

Finding the Fourth Proportional to 1,040.68, 1,436.21 and 598.60

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Solution

The fourth proportional to 1,040.68, 1,436.21 and 598.60 is: 826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.68 : 1,436.21 = 598.60 : x
  2. Step 2: Convert to fraction form
    1,040.68/1,436.21 = 598.60/x
  3. Step 3: Cross multiply
    1,040.68x = 1,436.21 × 598.60
  4. Step 4: Simplify right side
    1,040.68x = 859,715.31
  5. Step 5: Solve for x
    x = 859,715.31/1,040.68
  6. Step 6: Final answer
    x = 826.11

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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.