Home / 443,977.20-664,653.60-294,386.40

Finding the Fourth Proportional to 443,977.20, 664,653.60 and 294,386.40

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Solution

The fourth proportional to 443,977.20, 664,653.60 and 294,386.40 is: 440,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,977.20 : 664,653.60 = 294,386.40 : x
  2. Step 2: Convert to fraction form
    443,977.20/664,653.60 = 294,386.40/x
  3. Step 3: Cross multiply
    443,977.20x = 664,653.60 × 294,386.40
  4. Step 4: Simplify right side
    443,977.20x = 195,664,980,551.04
  5. Step 5: Solve for x
    x = 195,664,980,551.04/443,977.20
  6. Step 6: Final answer
    x = 440,709.52

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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.