Home / 939,063.89-1,408,620.10-255,956.36

Finding the Fourth Proportional to 939,063.89, 1,408,620.10 and 255,956.36

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Solution

The fourth proportional to 939,063.89, 1,408,620.10 and 255,956.36 is: 383,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,063.89 : 1,408,620.10 = 255,956.36 : x
  2. Step 2: Convert to fraction form
    939,063.89/1,408,620.10 = 255,956.36/x
  3. Step 3: Cross multiply
    939,063.89x = 1,408,620.10 × 255,956.36
  4. Step 4: Simplify right side
    939,063.89x = 360,545,276,300.50
  5. Step 5: Solve for x
    x = 360,545,276,300.50/939,063.89
  6. Step 6: Final answer
    x = 383,941.16

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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.