Home / 1,473.19-2,209.78-607.50

Finding the Fourth Proportional to 1,473.19, 2,209.78 and 607.50

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Solution

The fourth proportional to 1,473.19, 2,209.78 and 607.50 is: 911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.19 : 2,209.78 = 607.50 : x
  2. Step 2: Convert to fraction form
    1,473.19/2,209.78 = 607.50/x
  3. Step 3: Cross multiply
    1,473.19x = 2,209.78 × 607.50
  4. Step 4: Simplify right side
    1,473.19x = 1,342,442.11
  5. Step 5: Solve for x
    x = 1,342,442.11/1,473.19
  6. Step 6: Final answer
    x = 911.25

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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.