Home / 918,846.76-1,378,160.70-244,978.60

Finding the Fourth Proportional to 918,846.76, 1,378,160.70 and 244,978.60

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Solution

The fourth proportional to 918,846.76, 1,378,160.70 and 244,978.60 is: 367,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,846.76 : 1,378,160.70 = 244,978.60 : x
  2. Step 2: Convert to fraction form
    918,846.76/1,378,160.70 = 244,978.60/x
  3. Step 3: Cross multiply
    918,846.76x = 1,378,160.70 × 244,978.60
  4. Step 4: Simplify right side
    918,846.76x = 337,619,878,861.02
  5. Step 5: Solve for x
    x = 337,619,878,861.02/918,846.76
  6. Step 6: Final answer
    x = 367,438.72

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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.