Home / 813,468.19-1,122,584.16-445,944.67

Finding the Fourth Proportional to 813,468.19, 1,122,584.16 and 445,944.67

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Solution

The fourth proportional to 813,468.19, 1,122,584.16 and 445,944.67 is: 615,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,468.19 : 1,122,584.16 = 445,944.67 : x
  2. Step 2: Convert to fraction form
    813,468.19/1,122,584.16 = 445,944.67/x
  3. Step 3: Cross multiply
    813,468.19x = 1,122,584.16 × 445,944.67
  4. Step 4: Simplify right side
    813,468.19x = 500,610,422,778.43
  5. Step 5: Solve for x
    x = 500,610,422,778.43/813,468.19
  6. Step 6: Final answer
    x = 615,402.58

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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.