Home / 939,084.48-1,408,711.05-265,172.58

Finding the Fourth Proportional to 939,084.48, 1,408,711.05 and 265,172.58

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Solution

The fourth proportional to 939,084.48, 1,408,711.05 and 265,172.58 is: 397,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,084.48 : 1,408,711.05 = 265,172.58 : x
  2. Step 2: Convert to fraction form
    939,084.48/1,408,711.05 = 265,172.58/x
  3. Step 3: Cross multiply
    939,084.48x = 1,408,711.05 × 265,172.58
  4. Step 4: Simplify right side
    939,084.48x = 373,551,543,603.01
  5. Step 5: Solve for x
    x = 373,551,543,603.01/939,084.48
  6. Step 6: Final answer
    x = 397,782.68

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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.