Home / 818,074.08-1,227,671.61-285,595.10

Finding the Fourth Proportional to 818,074.08, 1,227,671.61 and 285,595.10

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Solution

The fourth proportional to 818,074.08, 1,227,671.61 and 285,595.10 is: 428,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,074.08 : 1,227,671.61 = 285,595.10 : x
  2. Step 2: Convert to fraction form
    818,074.08/1,227,671.61 = 285,595.10/x
  3. Step 3: Cross multiply
    818,074.08x = 1,227,671.61 × 285,595.10
  4. Step 4: Simplify right side
    818,074.08x = 350,616,990,086.75
  5. Step 5: Solve for x
    x = 350,616,990,086.75/818,074.08
  6. Step 6: Final answer
    x = 428,588.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.