Home / 558,043.92-770,096.78-303,395.10

Finding the Fourth Proportional to 558,043.92, 770,096.78 and 303,395.10

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Solution

The fourth proportional to 558,043.92, 770,096.78 and 303,395.10 is: 418,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,043.92 : 770,096.78 = 303,395.10 : x
  2. Step 2: Convert to fraction form
    558,043.92/770,096.78 = 303,395.10/x
  3. Step 3: Cross multiply
    558,043.92x = 770,096.78 × 303,395.10
  4. Step 4: Simplify right side
    558,043.92x = 233,643,589,577.78
  5. Step 5: Solve for x
    x = 233,643,589,577.78/558,043.92
  6. Step 6: Final answer
    x = 418,683.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.