Home / 899,005.36-1,348,559.84-338,044.72

Finding the Fourth Proportional to 899,005.36, 1,348,559.84 and 338,044.72

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Solution

The fourth proportional to 899,005.36, 1,348,559.84 and 338,044.72 is: 507,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,005.36 : 1,348,559.84 = 338,044.72 : x
  2. Step 2: Convert to fraction form
    899,005.36/1,348,559.84 = 338,044.72/x
  3. Step 3: Cross multiply
    899,005.36x = 1,348,559.84 × 338,044.72
  4. Step 4: Simplify right side
    899,005.36x = 455,873,533,516.05
  5. Step 5: Solve for x
    x = 455,873,533,516.05/899,005.36
  6. Step 6: Final answer
    x = 507,086.56

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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.