Home / 853,506.32-1,280,324.84-254,421.68

Finding the Fourth Proportional to 853,506.32, 1,280,324.84 and 254,421.68

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Solution

The fourth proportional to 853,506.32, 1,280,324.84 and 254,421.68 is: 381,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,506.32 : 1,280,324.84 = 254,421.68 : x
  2. Step 2: Convert to fraction form
    853,506.32/1,280,324.84 = 254,421.68/x
  3. Step 3: Cross multiply
    853,506.32x = 1,280,324.84 × 254,421.68
  4. Step 4: Simplify right side
    853,506.32x = 325,742,396,738.53
  5. Step 5: Solve for x
    x = 325,742,396,738.53/853,506.32
  6. Step 6: Final answer
    x = 381,652.00

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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.