Home / 692,132.70-1,038,004.65-218,963.10

Finding the Fourth Proportional to 692,132.70, 1,038,004.65 and 218,963.10

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Solution

The fourth proportional to 692,132.70, 1,038,004.65 and 218,963.10 is: 328,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,132.70 : 1,038,004.65 = 218,963.10 : x
  2. Step 2: Convert to fraction form
    692,132.70/1,038,004.65 = 218,963.10/x
  3. Step 3: Cross multiply
    692,132.70x = 1,038,004.65 × 218,963.10
  4. Step 4: Simplify right side
    692,132.70x = 227,284,715,978.42
  5. Step 5: Solve for x
    x = 227,284,715,978.42/692,132.70
  6. Step 6: Final answer
    x = 328,383.15

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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.