Home / 939,289.56-1,408,930.84-340,110.58

Finding the Fourth Proportional to 939,289.56, 1,408,930.84 and 340,110.58

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Solution

The fourth proportional to 939,289.56, 1,408,930.84 and 340,110.58 is: 510,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,289.56 : 1,408,930.84 = 340,110.58 : x
  2. Step 2: Convert to fraction form
    939,289.56/1,408,930.84 = 340,110.58/x
  3. Step 3: Cross multiply
    939,289.56x = 1,408,930.84 × 340,110.58
  4. Step 4: Simplify right side
    939,289.56x = 479,192,285,172.29
  5. Step 5: Solve for x
    x = 479,192,285,172.29/939,289.56
  6. Step 6: Final answer
    x = 510,164.60

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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.