Home / 688,443.03-1,032,420.19-201,989.41

Finding the Fourth Proportional to 688,443.03, 1,032,420.19 and 201,989.41

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Solution

The fourth proportional to 688,443.03, 1,032,420.19 and 201,989.41 is: 302,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,443.03 : 1,032,420.19 = 201,989.41 : x
  2. Step 2: Convert to fraction form
    688,443.03/1,032,420.19 = 201,989.41/x
  3. Step 3: Cross multiply
    688,443.03x = 1,032,420.19 × 201,989.41
  4. Step 4: Simplify right side
    688,443.03x = 208,537,944,078.79
  5. Step 5: Solve for x
    x = 208,537,944,078.79/688,443.03
  6. Step 6: Final answer
    x = 302,912.42

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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.