Home / 993,378.85-1,487,466.78-650,744.37

Finding the Fourth Proportional to 993,378.85, 1,487,466.78 and 650,744.37

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Solution

The fourth proportional to 993,378.85, 1,487,466.78 and 650,744.37 is: 974,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,378.85 : 1,487,466.78 = 650,744.37 : x
  2. Step 2: Convert to fraction form
    993,378.85/1,487,466.78 = 650,744.37/x
  3. Step 3: Cross multiply
    993,378.85x = 1,487,466.78 × 650,744.37
  4. Step 4: Simplify right side
    993,378.85x = 967,960,632,647.03
  5. Step 5: Solve for x
    x = 967,960,632,647.03/993,378.85
  6. Step 6: Final answer
    x = 974,412.37

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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.