Home / 764,058.46-1,146,125.76-290,780.50

Finding the Fourth Proportional to 764,058.46, 1,146,125.76 and 290,780.50

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Solution

The fourth proportional to 764,058.46, 1,146,125.76 and 290,780.50 is: 436,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,058.46 : 1,146,125.76 = 290,780.50 : x
  2. Step 2: Convert to fraction form
    764,058.46/1,146,125.76 = 290,780.50/x
  3. Step 3: Cross multiply
    764,058.46x = 1,146,125.76 × 290,780.50
  4. Step 4: Simplify right side
    764,058.46x = 333,271,021,555.68
  5. Step 5: Solve for x
    x = 333,271,021,555.68/764,058.46
  6. Step 6: Final answer
    x = 436,185.24

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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.