Home / 779,771.22-1,169,698.14-218,849.46

Finding the Fourth Proportional to 779,771.22, 1,169,698.14 and 218,849.46

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Solution

The fourth proportional to 779,771.22, 1,169,698.14 and 218,849.46 is: 328,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,771.22 : 1,169,698.14 = 218,849.46 : x
  2. Step 2: Convert to fraction form
    779,771.22/1,169,698.14 = 218,849.46/x
  3. Step 3: Cross multiply
    779,771.22x = 1,169,698.14 × 218,849.46
  4. Step 4: Simplify right side
    779,771.22x = 255,987,806,302.00
  5. Step 5: Solve for x
    x = 255,987,806,302.00/779,771.22
  6. Step 6: Final answer
    x = 328,285.78

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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.