Home / 1,039.89-1,435.05-597.76

Finding the Fourth Proportional to 1,039.89, 1,435.05 and 597.76

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Solution

The fourth proportional to 1,039.89, 1,435.05 and 597.76 is: 824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.89 : 1,435.05 = 597.76 : x
  2. Step 2: Convert to fraction form
    1,039.89/1,435.05 = 597.76/x
  3. Step 3: Cross multiply
    1,039.89x = 1,435.05 × 597.76
  4. Step 4: Simplify right side
    1,039.89x = 857,811.90
  5. Step 5: Solve for x
    x = 857,811.90/1,039.89
  6. Step 6: Final answer
    x = 824.90

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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.