Home / 823,903.80-1,233,231.30-587,707.80

Finding the Fourth Proportional to 823,903.80, 1,233,231.30 and 587,707.80

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Solution

The fourth proportional to 823,903.80, 1,233,231.30 and 587,707.80 is: 879,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,903.80 : 1,233,231.30 = 587,707.80 : x
  2. Step 2: Convert to fraction form
    823,903.80/1,233,231.30 = 587,707.80/x
  3. Step 3: Cross multiply
    823,903.80x = 1,233,231.30 × 587,707.80
  4. Step 4: Simplify right side
    823,903.80x = 724,779,654,214.14
  5. Step 5: Solve for x
    x = 724,779,654,214.14/823,903.80
  6. Step 6: Final answer
    x = 879,689.66

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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.