Home / 526,579.80-788,703.30-210,874.20

Finding the Fourth Proportional to 526,579.80, 788,703.30 and 210,874.20

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Solution

The fourth proportional to 526,579.80, 788,703.30 and 210,874.20 is: 315,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,579.80 : 788,703.30 = 210,874.20 : x
  2. Step 2: Convert to fraction form
    526,579.80/788,703.30 = 210,874.20/x
  3. Step 3: Cross multiply
    526,579.80x = 788,703.30 × 210,874.20
  4. Step 4: Simplify right side
    526,579.80x = 166,317,177,424.86
  5. Step 5: Solve for x
    x = 166,317,177,424.86/526,579.80
  6. Step 6: Final answer
    x = 315,844.20

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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.