Home / 558,473.44-770,669.05-310,099.92

Finding the Fourth Proportional to 558,473.44, 770,669.05 and 310,099.92

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Solution

The fourth proportional to 558,473.44, 770,669.05 and 310,099.92 is: 427,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,473.44 : 770,669.05 = 310,099.92 : x
  2. Step 2: Convert to fraction form
    558,473.44/770,669.05 = 310,099.92/x
  3. Step 3: Cross multiply
    558,473.44x = 770,669.05 × 310,099.92
  4. Step 4: Simplify right side
    558,473.44x = 238,984,410,751.48
  5. Step 5: Solve for x
    x = 238,984,410,751.48/558,473.44
  6. Step 6: Final answer
    x = 427,924.40

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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.