Home / 897,355.27-1,345,741.75-298,155.57

Finding the Fourth Proportional to 897,355.27, 1,345,741.75 and 298,155.57

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Solution

The fourth proportional to 897,355.27, 1,345,741.75 and 298,155.57 is: 447,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,355.27 : 1,345,741.75 = 298,155.57 : x
  2. Step 2: Convert to fraction form
    897,355.27/1,345,741.75 = 298,155.57/x
  3. Step 3: Cross multiply
    897,355.27x = 1,345,741.75 × 298,155.57
  4. Step 4: Simplify right side
    897,355.27x = 401,240,398,544.05
  5. Step 5: Solve for x
    x = 401,240,398,544.05/897,355.27
  6. Step 6: Final answer
    x = 447,136.62

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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.