Home / 558,233.71-770,581.43-395,739.48

Finding the Fourth Proportional to 558,233.71, 770,581.43 and 395,739.48

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Solution

The fourth proportional to 558,233.71, 770,581.43 and 395,739.48 is: 546,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,233.71 : 770,581.43 = 395,739.48 : x
  2. Step 2: Convert to fraction form
    558,233.71/770,581.43 = 395,739.48/x
  3. Step 3: Cross multiply
    558,233.71x = 770,581.43 × 395,739.48
  4. Step 4: Simplify right side
    558,233.71x = 304,949,494,405.86
  5. Step 5: Solve for x
    x = 304,949,494,405.86/558,233.71
  6. Step 6: Final answer
    x = 546,275.67

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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.