Home / 1,045.45-1,569.56-607.11

Finding the Fourth Proportional to 1,045.45, 1,569.56 and 607.11

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Solution

The fourth proportional to 1,045.45, 1,569.56 and 607.11 is: 911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.45 : 1,569.56 = 607.11 : x
  2. Step 2: Convert to fraction form
    1,045.45/1,569.56 = 607.11/x
  3. Step 3: Cross multiply
    1,045.45x = 1,569.56 × 607.11
  4. Step 4: Simplify right side
    1,045.45x = 952,895.57
  5. Step 5: Solve for x
    x = 952,895.57/1,045.45
  6. Step 6: Final answer
    x = 911.47

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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.