Home / 939,520.40-1,409,029.07-265,443.26

Finding the Fourth Proportional to 939,520.40, 1,409,029.07 and 265,443.26

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Solution

The fourth proportional to 939,520.40, 1,409,029.07 and 265,443.26 is: 398,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,520.40 : 1,409,029.07 = 265,443.26 : x
  2. Step 2: Convert to fraction form
    939,520.40/1,409,029.07 = 265,443.26/x
  3. Step 3: Cross multiply
    939,520.40x = 1,409,029.07 × 265,443.26
  4. Step 4: Simplify right side
    939,520.40x = 374,017,261,403.21
  5. Step 5: Solve for x
    x = 374,017,261,403.21/939,520.40
  6. Step 6: Final answer
    x = 398,093.82

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1.5x scale

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.