Home / 679,400.02-1,019,246.64-206,123.50

Finding the Fourth Proportional to 679,400.02, 1,019,246.64 and 206,123.50

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Solution

The fourth proportional to 679,400.02, 1,019,246.64 and 206,123.50 is: 309,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,400.02 : 1,019,246.64 = 206,123.50 : x
  2. Step 2: Convert to fraction form
    679,400.02/1,019,246.64 = 206,123.50/x
  3. Step 3: Cross multiply
    679,400.02x = 1,019,246.64 × 206,123.50
  4. Step 4: Simplify right side
    679,400.02x = 210,090,684,800.04
  5. Step 5: Solve for x
    x = 210,090,684,800.04/679,400.02
  6. Step 6: Final answer
    x = 309,229.73

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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.