Home / 787,113.60-1,180,516.80-254,505.60

Finding the Fourth Proportional to 787,113.60, 1,180,516.80 and 254,505.60

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Solution

The fourth proportional to 787,113.60, 1,180,516.80 and 254,505.60 is: 381,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,113.60 : 1,180,516.80 = 254,505.60 : x
  2. Step 2: Convert to fraction form
    787,113.60/1,180,516.80 = 254,505.60/x
  3. Step 3: Cross multiply
    787,113.60x = 1,180,516.80 × 254,505.60
  4. Step 4: Simplify right side
    787,113.60x = 300,448,136,494.08
  5. Step 5: Solve for x
    x = 300,448,136,494.08/787,113.60
  6. Step 6: Final answer
    x = 381,708.73

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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.