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Finding the Fourth Proportional to 578,695.44, 798,590.96 and 324,055.74

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Solution

The fourth proportional to 578,695.44, 798,590.96 and 324,055.74 is: 447,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,695.44 : 798,590.96 = 324,055.74 : x
  2. Step 2: Convert to fraction form
    578,695.44/798,590.96 = 324,055.74/x
  3. Step 3: Cross multiply
    578,695.44x = 798,590.96 × 324,055.74
  4. Step 4: Simplify right side
    578,695.44x = 258,787,988,912.57
  5. Step 5: Solve for x
    x = 258,787,988,912.57/578,695.44
  6. Step 6: Final answer
    x = 447,192.03

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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.