Home / 779,954.27-1,169,997.62-218,988.77

Finding the Fourth Proportional to 779,954.27, 1,169,997.62 and 218,988.77

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Solution

The fourth proportional to 779,954.27, 1,169,997.62 and 218,988.77 is: 328,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,954.27 : 1,169,997.62 = 218,988.77 : x
  2. Step 2: Convert to fraction form
    779,954.27/1,169,997.62 = 218,988.77/x
  3. Step 3: Cross multiply
    779,954.27x = 1,169,997.62 × 218,988.77
  4. Step 4: Simplify right side
    779,954.27x = 256,216,332,761.80
  5. Step 5: Solve for x
    x = 256,216,332,761.80/779,954.27
  6. Step 6: Final answer
    x = 328,501.74

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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.