Home / 839,219.73-1,259,927.01-498,285.48

Finding the Fourth Proportional to 839,219.73, 1,259,927.01 and 498,285.48

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Solution

The fourth proportional to 839,219.73, 1,259,927.01 and 498,285.48 is: 748,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,219.73 : 1,259,927.01 = 498,285.48 : x
  2. Step 2: Convert to fraction form
    839,219.73/1,259,927.01 = 498,285.48/x
  3. Step 3: Cross multiply
    839,219.73x = 1,259,927.01 × 498,285.48
  4. Step 4: Simplify right side
    839,219.73x = 627,803,334,942.82
  5. Step 5: Solve for x
    x = 627,803,334,942.82/839,219.73
  6. Step 6: Final answer
    x = 748,079.81

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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.