Home / 800,055.36-1,199,616.48-238,939.20

Finding the Fourth Proportional to 800,055.36, 1,199,616.48 and 238,939.20

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Solution

The fourth proportional to 800,055.36, 1,199,616.48 and 238,939.20 is: 358,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,055.36 : 1,199,616.48 = 238,939.20 : x
  2. Step 2: Convert to fraction form
    800,055.36/1,199,616.48 = 238,939.20/x
  3. Step 3: Cross multiply
    800,055.36x = 1,199,616.48 × 238,939.20
  4. Step 4: Simplify right side
    800,055.36x = 286,635,402,038.02
  5. Step 5: Solve for x
    x = 286,635,402,038.02/800,055.36
  6. Step 6: Final answer
    x = 358,269.46

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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.