Home / 291,890.58-436,982.88-263,875.12

Finding the Fourth Proportional to 291,890.58, 436,982.88 and 263,875.12

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Solution

The fourth proportional to 291,890.58, 436,982.88 and 263,875.12 is: 395,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,890.58 : 436,982.88 = 263,875.12 : x
  2. Step 2: Convert to fraction form
    291,890.58/436,982.88 = 263,875.12/x
  3. Step 3: Cross multiply
    291,890.58x = 436,982.88 × 263,875.12
  4. Step 4: Simplify right side
    291,890.58x = 115,308,909,897.95
  5. Step 5: Solve for x
    x = 115,308,909,897.95/291,890.58
  6. Step 6: Final answer
    x = 395,041.56

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1.5x scale

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.