Home / 645,289.20-967,962.60-246,121.20

Finding the Fourth Proportional to 645,289.20, 967,962.60 and 246,121.20

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Solution

The fourth proportional to 645,289.20, 967,962.60 and 246,121.20 is: 369,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,289.20 : 967,962.60 = 246,121.20 : x
  2. Step 2: Convert to fraction form
    645,289.20/967,962.60 = 246,121.20/x
  3. Step 3: Cross multiply
    645,289.20x = 967,962.60 × 246,121.20
  4. Step 4: Simplify right side
    645,289.20x = 238,236,116,667.12
  5. Step 5: Solve for x
    x = 238,236,116,667.12/645,289.20
  6. Step 6: Final answer
    x = 369,192.78

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1.5x scale

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.