Home / 779,954.77-1,169,998.37-218,989.27

Finding the Fourth Proportional to 779,954.77, 1,169,998.37 and 218,989.27

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Solution

The fourth proportional to 779,954.77, 1,169,998.37 and 218,989.27 is: 328,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,954.77 : 1,169,998.37 = 218,989.27 : x
  2. Step 2: Convert to fraction form
    779,954.77/1,169,998.37 = 218,989.27/x
  3. Step 3: Cross multiply
    779,954.77x = 1,169,998.37 × 218,989.27
  4. Step 4: Simplify right side
    779,954.77x = 256,217,082,002.55
  5. Step 5: Solve for x
    x = 256,217,082,002.55/779,954.77
  6. Step 6: Final answer
    x = 328,502.49

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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.