Home / 525,475.18-725,157.96-296,035.22

Finding the Fourth Proportional to 525,475.18, 725,157.96 and 296,035.22

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Solution

The fourth proportional to 525,475.18, 725,157.96 and 296,035.22 is: 408,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,475.18 : 725,157.96 = 296,035.22 : x
  2. Step 2: Convert to fraction form
    525,475.18/725,157.96 = 296,035.22/x
  3. Step 3: Cross multiply
    525,475.18x = 725,157.96 × 296,035.22
  4. Step 4: Simplify right side
    525,475.18x = 214,672,292,597.56
  5. Step 5: Solve for x
    x = 214,672,292,597.56/525,475.18
  6. Step 6: Final answer
    x = 408,529.84

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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.