Home / 668,562.35-1,002,736.37-213,094.40

Finding the Fourth Proportional to 668,562.35, 1,002,736.37 and 213,094.40

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Solution

The fourth proportional to 668,562.35, 1,002,736.37 and 213,094.40 is: 319,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,562.35 : 1,002,736.37 = 213,094.40 : x
  2. Step 2: Convert to fraction form
    668,562.35/1,002,736.37 = 213,094.40/x
  3. Step 3: Cross multiply
    668,562.35x = 1,002,736.37 × 213,094.40
  4. Step 4: Simplify right side
    668,562.35x = 213,677,500,642.38
  5. Step 5: Solve for x
    x = 213,677,500,642.38/668,562.35
  6. Step 6: Final answer
    x = 319,607.44

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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.