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Finding the Fourth Proportional to 444,359.70, 666,539.55 and 284,927.40

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Solution

The fourth proportional to 444,359.70, 666,539.55 and 284,927.40 is: 427,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,359.70 : 666,539.55 = 284,927.40 : x
  2. Step 2: Convert to fraction form
    444,359.70/666,539.55 = 284,927.40/x
  3. Step 3: Cross multiply
    444,359.70x = 666,539.55 × 284,927.40
  4. Step 4: Simplify right side
    444,359.70x = 189,915,380,978.67
  5. Step 5: Solve for x
    x = 189,915,380,978.67/444,359.70
  6. Step 6: Final answer
    x = 427,391.10

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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.