Home / 810,239.22-1,118,141.86-447,671.42

Finding the Fourth Proportional to 810,239.22, 1,118,141.86 and 447,671.42

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Solution

The fourth proportional to 810,239.22, 1,118,141.86 and 447,671.42 is: 617,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,239.22 : 1,118,141.86 = 447,671.42 : x
  2. Step 2: Convert to fraction form
    810,239.22/1,118,141.86 = 447,671.42/x
  3. Step 3: Cross multiply
    810,239.22x = 1,118,141.86 × 447,671.42
  4. Step 4: Simplify right side
    810,239.22x = 500,560,154,227.64
  5. Step 5: Solve for x
    x = 500,560,154,227.64/810,239.22
  6. Step 6: Final answer
    x = 617,793.04

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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.