Home / 818,006.04-1,227,074.67-285,515.28

Finding the Fourth Proportional to 818,006.04, 1,227,074.67 and 285,515.28

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Solution

The fourth proportional to 818,006.04, 1,227,074.67 and 285,515.28 is: 428,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,006.04 : 1,227,074.67 = 285,515.28 : x
  2. Step 2: Convert to fraction form
    818,006.04/1,227,074.67 = 285,515.28/x
  3. Step 3: Cross multiply
    818,006.04x = 1,227,074.67 × 285,515.28
  4. Step 4: Simplify right side
    818,006.04x = 350,348,567,985.96
  5. Step 5: Solve for x
    x = 350,348,567,985.96/818,006.04
  6. Step 6: Final answer
    x = 428,295.82

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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.