Home / 779,423.36-1,169,003.36-218,328.80

Finding the Fourth Proportional to 779,423.36, 1,169,003.36 and 218,328.80

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Solution

The fourth proportional to 779,423.36, 1,169,003.36 and 218,328.80 is: 327,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,423.36 : 1,169,003.36 = 218,328.80 : x
  2. Step 2: Convert to fraction form
    779,423.36/1,169,003.36 = 218,328.80/x
  3. Step 3: Cross multiply
    779,423.36x = 1,169,003.36 × 218,328.80
  4. Step 4: Simplify right side
    779,423.36x = 255,227,100,784.77
  5. Step 5: Solve for x
    x = 255,227,100,784.77/779,423.36
  6. Step 6: Final answer
    x = 327,456.31

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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.