Home / 847,391.28-1,271,125.35-240,223.04

Finding the Fourth Proportional to 847,391.28, 1,271,125.35 and 240,223.04

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Solution

The fourth proportional to 847,391.28, 1,271,125.35 and 240,223.04 is: 360,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,391.28 : 1,271,125.35 = 240,223.04 : x
  2. Step 2: Convert to fraction form
    847,391.28/1,271,125.35 = 240,223.04/x
  3. Step 3: Cross multiply
    847,391.28x = 1,271,125.35 × 240,223.04
  4. Step 4: Simplify right side
    847,391.28x = 305,353,589,442.44
  5. Step 5: Solve for x
    x = 305,353,589,442.44/847,391.28
  6. Step 6: Final answer
    x = 360,345.45

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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.