Home / 939,883.80-1,409,880.04-265,908.66

Finding the Fourth Proportional to 939,883.80, 1,409,880.04 and 265,908.66

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Solution

The fourth proportional to 939,883.80, 1,409,880.04 and 265,908.66 is: 398,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,883.80 : 1,409,880.04 = 265,908.66 : x
  2. Step 2: Convert to fraction form
    939,883.80/1,409,880.04 = 265,908.66/x
  3. Step 3: Cross multiply
    939,883.80x = 1,409,880.04 × 265,908.66
  4. Step 4: Simplify right side
    939,883.80x = 374,899,312,197.15
  5. Step 5: Solve for x
    x = 374,899,312,197.15/939,883.80
  6. Step 6: Final answer
    x = 398,878.36

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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.