Home / 990,092.12-1,485,644.61-471,353.52

Finding the Fourth Proportional to 990,092.12, 1,485,644.61 and 471,353.52

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Solution

The fourth proportional to 990,092.12, 1,485,644.61 and 471,353.52 is: 707,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,092.12 : 1,485,644.61 = 471,353.52 : x
  2. Step 2: Convert to fraction form
    990,092.12/1,485,644.61 = 471,353.52/x
  3. Step 3: Cross multiply
    990,092.12x = 1,485,644.61 × 471,353.52
  4. Step 4: Simplify right side
    990,092.12x = 700,263,821,079.91
  5. Step 5: Solve for x
    x = 700,263,821,079.91/990,092.12
  6. Step 6: Final answer
    x = 707,271.38

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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.