Home / 939,288.35-1,408,929.08-340,109.39

Finding the Fourth Proportional to 939,288.35, 1,408,929.08 and 340,109.39

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Solution

The fourth proportional to 939,288.35, 1,408,929.08 and 340,109.39 is: 510,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,288.35 : 1,408,929.08 = 340,109.39 : x
  2. Step 2: Convert to fraction form
    939,288.35/1,408,929.08 = 340,109.39/x
  3. Step 3: Cross multiply
    939,288.35x = 1,408,929.08 × 340,109.39
  4. Step 4: Simplify right side
    939,288.35x = 479,190,001,206.87
  5. Step 5: Solve for x
    x = 479,190,001,206.87/939,288.35
  6. Step 6: Final answer
    x = 510,162.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.