Home / 818,009.51-1,226,866.50-285,682.77

Finding the Fourth Proportional to 818,009.51, 1,226,866.50 and 285,682.77

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Solution

The fourth proportional to 818,009.51, 1,226,866.50 and 285,682.77 is: 428,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,009.51 : 1,226,866.50 = 285,682.77 : x
  2. Step 2: Convert to fraction form
    818,009.51/1,226,866.50 = 285,682.77/x
  3. Step 3: Cross multiply
    818,009.51x = 1,226,866.50 × 285,682.77
  4. Step 4: Simplify right side
    818,009.51x = 350,494,620,140.21
  5. Step 5: Solve for x
    x = 350,494,620,140.21/818,009.51
  6. Step 6: Final answer
    x = 428,472.55

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1.5x scale

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.