Home / 939,496.50-1,409,240.94-340,317.42

Finding the Fourth Proportional to 939,496.50, 1,409,240.94 and 340,317.42

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Solution

The fourth proportional to 939,496.50, 1,409,240.94 and 340,317.42 is: 510,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,496.50 : 1,409,240.94 = 340,317.42 : x
  2. Step 2: Convert to fraction form
    939,496.50/1,409,240.94 = 340,317.42/x
  3. Step 3: Cross multiply
    939,496.50x = 1,409,240.94 × 340,317.42
  4. Step 4: Simplify right side
    939,496.50x = 479,589,240,859.18
  5. Step 5: Solve for x
    x = 479,589,240,859.18/939,496.50
  6. Step 6: Final answer
    x = 510,474.75

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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.