Home / 492,389.20-738,000.60-367,584.40

Finding the Fourth Proportional to 492,389.20, 738,000.60 and 367,584.40

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Solution

The fourth proportional to 492,389.20, 738,000.60 and 367,584.40 is: 550,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,389.20 : 738,000.60 = 367,584.40 : x
  2. Step 2: Convert to fraction form
    492,389.20/738,000.60 = 367,584.40/x
  3. Step 3: Cross multiply
    492,389.20x = 738,000.60 × 367,584.40
  4. Step 4: Simplify right side
    492,389.20x = 271,277,507,750.64
  5. Step 5: Solve for x
    x = 271,277,507,750.64/492,389.20
  6. Step 6: Final answer
    x = 550,941.22

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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.