Home / 448,746.38-673,114.37-128,906.08

Finding the Fourth Proportional to 448,746.38, 673,114.37 and 128,906.08

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Solution

The fourth proportional to 448,746.38, 673,114.37 and 128,906.08 is: 193,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,746.38 : 673,114.37 = 128,906.08 : x
  2. Step 2: Convert to fraction form
    448,746.38/673,114.37 = 128,906.08/x
  3. Step 3: Cross multiply
    448,746.38x = 673,114.37 × 128,906.08
  4. Step 4: Simplify right side
    448,746.38x = 86,768,534,828.37
  5. Step 5: Solve for x
    x = 86,768,534,828.37/448,746.38
  6. Step 6: Final answer
    x = 193,357.63

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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.