Home / 990,314.93-1,485,573.08-341,806.73

Finding the Fourth Proportional to 990,314.93, 1,485,573.08 and 341,806.73

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Solution

The fourth proportional to 990,314.93, 1,485,573.08 and 341,806.73 is: 512,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,314.93 : 1,485,573.08 = 341,806.73 : x
  2. Step 2: Convert to fraction form
    990,314.93/1,485,573.08 = 341,806.73/x
  3. Step 3: Cross multiply
    990,314.93x = 1,485,573.08 × 341,806.73
  4. Step 4: Simplify right side
    990,314.93x = 507,778,867,513.93
  5. Step 5: Solve for x
    x = 507,778,867,513.93/990,314.93
  6. Step 6: Final answer
    x = 512,744.84

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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.