Home / 679,324.40-1,018,985.94-173,884.57

Finding the Fourth Proportional to 679,324.40, 1,018,985.94 and 173,884.57

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Solution

The fourth proportional to 679,324.40, 1,018,985.94 and 173,884.57 is: 260,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,324.40 : 1,018,985.94 = 173,884.57 : x
  2. Step 2: Convert to fraction form
    679,324.40/1,018,985.94 = 173,884.57/x
  3. Step 3: Cross multiply
    679,324.40x = 1,018,985.94 × 173,884.57
  4. Step 4: Simplify right side
    679,324.40x = 177,185,928,813.41
  5. Step 5: Solve for x
    x = 177,185,928,813.41/679,324.40
  6. Step 6: Final answer
    x = 260,826.68

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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.