Home / 763,666.80-1,145,208.60-231,010.80

Finding the Fourth Proportional to 763,666.80, 1,145,208.60 and 231,010.80

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Solution

The fourth proportional to 763,666.80, 1,145,208.60 and 231,010.80 is: 346,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,666.80 : 1,145,208.60 = 231,010.80 : x
  2. Step 2: Convert to fraction form
    763,666.80/1,145,208.60 = 231,010.80/x
  3. Step 3: Cross multiply
    763,666.80x = 1,145,208.60 × 231,010.80
  4. Step 4: Simplify right side
    763,666.80x = 264,555,554,852.88
  5. Step 5: Solve for x
    x = 264,555,554,852.88/763,666.80
  6. Step 6: Final answer
    x = 346,427.99

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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.