Home / 811,992.60-1,218,111.84-589,035.42

Finding the Fourth Proportional to 811,992.60, 1,218,111.84 and 589,035.42

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Solution

The fourth proportional to 811,992.60, 1,218,111.84 and 589,035.42 is: 883,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,992.60 : 1,218,111.84 = 589,035.42 : x
  2. Step 2: Convert to fraction form
    811,992.60/1,218,111.84 = 589,035.42/x
  3. Step 3: Cross multiply
    811,992.60x = 1,218,111.84 × 589,035.42
  4. Step 4: Simplify right side
    811,992.60x = 717,511,019,281.37
  5. Step 5: Solve for x
    x = 717,511,019,281.37/811,992.60
  6. Step 6: Final answer
    x = 883,642.31

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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.