Home / 679,888.93-1,019,722.54-200,004.50

Finding the Fourth Proportional to 679,888.93, 1,019,722.54 and 200,004.50

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Solution

The fourth proportional to 679,888.93, 1,019,722.54 and 200,004.50 is: 299,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,888.93 : 1,019,722.54 = 200,004.50 : x
  2. Step 2: Convert to fraction form
    679,888.93/1,019,722.54 = 200,004.50/x
  3. Step 3: Cross multiply
    679,888.93x = 1,019,722.54 × 200,004.50
  4. Step 4: Simplify right side
    679,888.93x = 203,949,091,652.82
  5. Step 5: Solve for x
    x = 203,949,091,652.82/679,888.93
  6. Step 6: Final answer
    x = 299,974.13

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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.