Home / 965,519.60-1,448,279.40-255,619.40

Finding the Fourth Proportional to 965,519.60, 1,448,279.40 and 255,619.40

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Solution

The fourth proportional to 965,519.60, 1,448,279.40 and 255,619.40 is: 383,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,519.60 : 1,448,279.40 = 255,619.40 : x
  2. Step 2: Convert to fraction form
    965,519.60/1,448,279.40 = 255,619.40/x
  3. Step 3: Cross multiply
    965,519.60x = 1,448,279.40 × 255,619.40
  4. Step 4: Simplify right side
    965,519.60x = 370,208,311,260.36
  5. Step 5: Solve for x
    x = 370,208,311,260.36/965,519.60
  6. Step 6: Final answer
    x = 383,429.10

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Similar ratio
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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.