Home / 710,858.48-1,066,456.24-212,235.44

Finding the Fourth Proportional to 710,858.48, 1,066,456.24 and 212,235.44

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Solution

The fourth proportional to 710,858.48, 1,066,456.24 and 212,235.44 is: 318,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,858.48 : 1,066,456.24 = 212,235.44 : x
  2. Step 2: Convert to fraction form
    710,858.48/1,066,456.24 = 212,235.44/x
  3. Step 3: Cross multiply
    710,858.48x = 1,066,456.24 × 212,235.44
  4. Step 4: Simplify right side
    710,858.48x = 226,339,809,337.15
  5. Step 5: Solve for x
    x = 226,339,809,337.15/710,858.48
  6. Step 6: Final answer
    x = 318,403.47

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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.