Home / 1,088.12-1,501.60-616.01

Finding the Fourth Proportional to 1,088.12, 1,501.60 and 616.01

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Solution

The fourth proportional to 1,088.12, 1,501.60 and 616.01 is: 850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.12 : 1,501.60 = 616.01 : x
  2. Step 2: Convert to fraction form
    1,088.12/1,501.60 = 616.01/x
  3. Step 3: Cross multiply
    1,088.12x = 1,501.60 × 616.01
  4. Step 4: Simplify right side
    1,088.12x = 925,000.62
  5. Step 5: Solve for x
    x = 925,000.62/1,088.12
  6. Step 6: Final answer
    x = 850.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.