Home / 764,598.12-1,146,180.84-258,805.16

Finding the Fourth Proportional to 764,598.12, 1,146,180.84 and 258,805.16

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Solution

The fourth proportional to 764,598.12, 1,146,180.84 and 258,805.16 is: 387,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,598.12 : 1,146,180.84 = 258,805.16 : x
  2. Step 2: Convert to fraction form
    764,598.12/1,146,180.84 = 258,805.16/x
  3. Step 3: Cross multiply
    764,598.12x = 1,146,180.84 × 258,805.16
  4. Step 4: Simplify right side
    764,598.12x = 296,637,515,685.13
  5. Step 5: Solve for x
    x = 296,637,515,685.13/764,598.12
  6. Step 6: Final answer
    x = 387,965.27

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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.