Home / 448,155.60-670,289.40-401,110.80

Finding the Fourth Proportional to 448,155.60, 670,289.40 and 401,110.80

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Solution

The fourth proportional to 448,155.60, 670,289.40 and 401,110.80 is: 599,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,155.60 : 670,289.40 = 401,110.80 : x
  2. Step 2: Convert to fraction form
    448,155.60/670,289.40 = 401,110.80/x
  3. Step 3: Cross multiply
    448,155.60x = 670,289.40 × 401,110.80
  4. Step 4: Simplify right side
    448,155.60x = 268,860,317,465.52
  5. Step 5: Solve for x
    x = 268,860,317,465.52/448,155.60
  6. Step 6: Final answer
    x = 599,926.27

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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.