Home / 448,362.15-617,480.06-438,564.39

Finding the Fourth Proportional to 448,362.15, 617,480.06 and 438,564.39

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Solution

The fourth proportional to 448,362.15, 617,480.06 and 438,564.39 is: 603,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,362.15 : 617,480.06 = 438,564.39 : x
  2. Step 2: Convert to fraction form
    448,362.15/617,480.06 = 438,564.39/x
  3. Step 3: Cross multiply
    448,362.15x = 617,480.06 × 438,564.39
  4. Step 4: Simplify right side
    448,362.15x = 270,804,763,658.24
  5. Step 5: Solve for x
    x = 270,804,763,658.24/448,362.15
  6. Step 6: Final answer
    x = 603,986.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.