Home / 764,166.90-1,146,180.06-258,670.10

Finding the Fourth Proportional to 764,166.90, 1,146,180.06 and 258,670.10

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Solution

The fourth proportional to 764,166.90, 1,146,180.06 and 258,670.10 is: 387,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,166.90 : 1,146,180.06 = 258,670.10 : x
  2. Step 2: Convert to fraction form
    764,166.90/1,146,180.06 = 258,670.10/x
  3. Step 3: Cross multiply
    764,166.90x = 1,146,180.06 × 258,670.10
  4. Step 4: Simplify right side
    764,166.90x = 296,482,505,007.31
  5. Step 5: Solve for x
    x = 296,482,505,007.31/764,166.90
  6. Step 6: Final answer
    x = 387,981.35

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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.