Home / 1,047.76-1,569.58-608.09

Finding the Fourth Proportional to 1,047.76, 1,569.58 and 608.09

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Solution

The fourth proportional to 1,047.76, 1,569.58 and 608.09 is: 910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.76 : 1,569.58 = 608.09 : x
  2. Step 2: Convert to fraction form
    1,047.76/1,569.58 = 608.09/x
  3. Step 3: Cross multiply
    1,047.76x = 1,569.58 × 608.09
  4. Step 4: Simplify right side
    1,047.76x = 954,435.01
  5. Step 5: Solve for x
    x = 954,435.01/1,047.76
  6. Step 6: Final answer
    x = 910.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.