Home / 939,211.20-1,408,685.04-308,043

Finding the Fourth Proportional to 939,211.20, 1,408,685.04 and 308,043

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Solution

The fourth proportional to 939,211.20, 1,408,685.04 and 308,043 is: 462,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,211.20 : 1,408,685.04 = 308,043 : x
  2. Step 2: Convert to fraction form
    939,211.20/1,408,685.04 = 308,043/x
  3. Step 3: Cross multiply
    939,211.20x = 1,408,685.04 × 308,043
  4. Step 4: Simplify right side
    939,211.20x = 433,935,565,776.72
  5. Step 5: Solve for x
    x = 433,935,565,776.72/939,211.20
  6. Step 6: Final answer
    x = 462,021.29

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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.