Home / 810,322.36-1,118,240.58-447,771.22

Finding the Fourth Proportional to 810,322.36, 1,118,240.58 and 447,771.22

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Solution

The fourth proportional to 810,322.36, 1,118,240.58 and 447,771.22 is: 617,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,322.36 : 1,118,240.58 = 447,771.22 : x
  2. Step 2: Convert to fraction form
    810,322.36/1,118,240.58 = 447,771.22/x
  3. Step 3: Cross multiply
    810,322.36x = 1,118,240.58 × 447,771.22
  4. Step 4: Simplify right side
    810,322.36x = 500,715,948,760.11
  5. Step 5: Solve for x
    x = 500,715,948,760.11/810,322.36
  6. Step 6: Final answer
    x = 617,921.92

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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.