Home / 939,494.50-1,409,237.96-340,315.46

Finding the Fourth Proportional to 939,494.50, 1,409,237.96 and 340,315.46

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Solution

The fourth proportional to 939,494.50, 1,409,237.96 and 340,315.46 is: 510,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,494.50 : 1,409,237.96 = 340,315.46 : x
  2. Step 2: Convert to fraction form
    939,494.50/1,409,237.96 = 340,315.46/x
  3. Step 3: Cross multiply
    939,494.50x = 1,409,237.96 × 340,315.46
  4. Step 4: Simplify right side
    939,494.50x = 479,585,464,606.86
  5. Step 5: Solve for x
    x = 479,585,464,606.86/939,494.50
  6. Step 6: Final answer
    x = 510,471.82

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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.