Home / 810,223.68-1,118,095.02-447,662.64

Finding the Fourth Proportional to 810,223.68, 1,118,095.02 and 447,662.64

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Solution

The fourth proportional to 810,223.68, 1,118,095.02 and 447,662.64 is: 617,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,223.68 : 1,118,095.02 = 447,662.64 : x
  2. Step 2: Convert to fraction form
    810,223.68/1,118,095.02 = 447,662.64/x
  3. Step 3: Cross multiply
    810,223.68x = 1,118,095.02 × 447,662.64
  4. Step 4: Simplify right side
    810,223.68x = 500,529,368,424.05
  5. Step 5: Solve for x
    x = 500,529,368,424.05/810,223.68
  6. Step 6: Final answer
    x = 617,766.90

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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.