Home / 810,299.16-1,118,194.46-447,723.72

Finding the Fourth Proportional to 810,299.16, 1,118,194.46 and 447,723.72

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Solution

The fourth proportional to 810,299.16, 1,118,194.46 and 447,723.72 is: 617,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,299.16 : 1,118,194.46 = 447,723.72 : x
  2. Step 2: Convert to fraction form
    810,299.16/1,118,194.46 = 447,723.72/x
  3. Step 3: Cross multiply
    810,299.16x = 1,118,194.46 × 447,723.72
  4. Step 4: Simplify right side
    810,299.16x = 500,642,183,314.59
  5. Step 5: Solve for x
    x = 500,642,183,314.59/810,299.16
  6. Step 6: Final answer
    x = 617,848.58

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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.