Home / 589,271.04-813,194.24-320,999.04

Finding the Fourth Proportional to 589,271.04, 813,194.24 and 320,999.04

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Solution

The fourth proportional to 589,271.04, 813,194.24 and 320,999.04 is: 442,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,271.04 : 813,194.24 = 320,999.04 : x
  2. Step 2: Convert to fraction form
    589,271.04/813,194.24 = 320,999.04/x
  3. Step 3: Cross multiply
    589,271.04x = 813,194.24 × 320,999.04
  4. Step 4: Simplify right side
    589,271.04x = 261,034,570,373.53
  5. Step 5: Solve for x
    x = 261,034,570,373.53/589,271.04
  6. Step 6: Final answer
    x = 442,978.79

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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.