Home / 787,004.55-1,180,506.83-254,579.40

Finding the Fourth Proportional to 787,004.55, 1,180,506.83 and 254,579.40

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Solution

The fourth proportional to 787,004.55, 1,180,506.83 and 254,579.40 is: 381,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,004.55 : 1,180,506.83 = 254,579.40 : x
  2. Step 2: Convert to fraction form
    787,004.55/1,180,506.83 = 254,579.40/x
  3. Step 3: Cross multiply
    787,004.55x = 1,180,506.83 × 254,579.40
  4. Step 4: Simplify right side
    787,004.55x = 300,532,719,204.41
  5. Step 5: Solve for x
    x = 300,532,719,204.41/787,004.55
  6. Step 6: Final answer
    x = 381,869.10

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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.