Home / 764,338.04-1,146,670.16-258,881.32

Finding the Fourth Proportional to 764,338.04, 1,146,670.16 and 258,881.32

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Solution

The fourth proportional to 764,338.04, 1,146,670.16 and 258,881.32 is: 388,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,338.04 : 1,146,670.16 = 258,881.32 : x
  2. Step 2: Convert to fraction form
    764,338.04/1,146,670.16 = 258,881.32/x
  3. Step 3: Cross multiply
    764,338.04x = 1,146,670.16 × 258,881.32
  4. Step 4: Simplify right side
    764,338.04x = 296,851,484,625.41
  5. Step 5: Solve for x
    x = 296,851,484,625.41/764,338.04
  6. Step 6: Final answer
    x = 388,377.22

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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.