Home / 965,626.80-1,448,440.20-255,764.40

Finding the Fourth Proportional to 965,626.80, 1,448,440.20 and 255,764.40

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Solution

The fourth proportional to 965,626.80, 1,448,440.20 and 255,764.40 is: 383,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,626.80 : 1,448,440.20 = 255,764.40 : x
  2. Step 2: Convert to fraction form
    965,626.80/1,448,440.20 = 255,764.40/x
  3. Step 3: Cross multiply
    965,626.80x = 1,448,440.20 × 255,764.40
  4. Step 4: Simplify right side
    965,626.80x = 370,459,438,688.88
  5. Step 5: Solve for x
    x = 370,459,438,688.88/965,626.80
  6. Step 6: Final answer
    x = 383,646.60

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Double scale
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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.