Home / 820,777.24-1,132,779.90-481,277.08

Finding the Fourth Proportional to 820,777.24, 1,132,779.90 and 481,277.08

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Solution

The fourth proportional to 820,777.24, 1,132,779.90 and 481,277.08 is: 664,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,777.24 : 1,132,779.90 = 481,277.08 : x
  2. Step 2: Convert to fraction form
    820,777.24/1,132,779.90 = 481,277.08/x
  3. Step 3: Cross multiply
    820,777.24x = 1,132,779.90 × 481,277.08
  4. Step 4: Simplify right side
    820,777.24x = 545,181,002,554.69
  5. Step 5: Solve for x
    x = 545,181,002,554.69/820,777.24
  6. Step 6: Final answer
    x = 664,225.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.