Home / 679,162.19-1,018,890.27-205,883.24

Finding the Fourth Proportional to 679,162.19, 1,018,890.27 and 205,883.24

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Solution

The fourth proportional to 679,162.19, 1,018,890.27 and 205,883.24 is: 308,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,162.19 : 1,018,890.27 = 205,883.24 : x
  2. Step 2: Convert to fraction form
    679,162.19/1,018,890.27 = 205,883.24/x
  3. Step 3: Cross multiply
    679,162.19x = 1,018,890.27 × 205,883.24
  4. Step 4: Simplify right side
    679,162.19x = 209,772,424,897.62
  5. Step 5: Solve for x
    x = 209,772,424,897.62/679,162.19
  6. Step 6: Final answer
    x = 308,869.41

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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.