Home / 718,098.48-990,917.64-416,311.92

Finding the Fourth Proportional to 718,098.48, 990,917.64 and 416,311.92

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Solution

The fourth proportional to 718,098.48, 990,917.64 and 416,311.92 is: 574,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,098.48 : 990,917.64 = 416,311.92 : x
  2. Step 2: Convert to fraction form
    718,098.48/990,917.64 = 416,311.92/x
  3. Step 3: Cross multiply
    718,098.48x = 990,917.64 × 416,311.92
  4. Step 4: Simplify right side
    718,098.48x = 412,530,825,270.27
  5. Step 5: Solve for x
    x = 412,530,825,270.27/718,098.48
  6. Step 6: Final answer
    x = 574,476.67

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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.