Home / 525,533.82-788,890.41-210,210.54

Finding the Fourth Proportional to 525,533.82, 788,890.41 and 210,210.54

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Solution

The fourth proportional to 525,533.82, 788,890.41 and 210,210.54 is: 315,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,533.82 : 788,890.41 = 210,210.54 : x
  2. Step 2: Convert to fraction form
    525,533.82/788,890.41 = 210,210.54/x
  3. Step 3: Cross multiply
    525,533.82x = 788,890.41 × 210,210.54
  4. Step 4: Simplify right side
    525,533.82x = 165,833,079,086.92
  5. Step 5: Solve for x
    x = 165,833,079,086.92/525,533.82
  6. Step 6: Final answer
    x = 315,551.68

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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.