Home / 690,802.67-1,036,119.13-185,403.35

Finding the Fourth Proportional to 690,802.67, 1,036,119.13 and 185,403.35

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Solution

The fourth proportional to 690,802.67, 1,036,119.13 and 185,403.35 is: 278,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,802.67 : 1,036,119.13 = 185,403.35 : x
  2. Step 2: Convert to fraction form
    690,802.67/1,036,119.13 = 185,403.35/x
  3. Step 3: Cross multiply
    690,802.67x = 1,036,119.13 × 185,403.35
  4. Step 4: Simplify right side
    690,802.67x = 192,099,957,701.09
  5. Step 5: Solve for x
    x = 192,099,957,701.09/690,802.67
  6. Step 6: Final answer
    x = 278,082.25

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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.