Home / 658,728.96-909,047.16-356,922.96

Finding the Fourth Proportional to 658,728.96, 909,047.16 and 356,922.96

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Solution

The fourth proportional to 658,728.96, 909,047.16 and 356,922.96 is: 492,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,728.96 : 909,047.16 = 356,922.96 : x
  2. Step 2: Convert to fraction form
    658,728.96/909,047.16 = 356,922.96/x
  3. Step 3: Cross multiply
    658,728.96x = 909,047.16 × 356,922.96
  4. Step 4: Simplify right side
    658,728.96x = 324,459,803,126.79
  5. Step 5: Solve for x
    x = 324,459,803,126.79/658,728.96
  6. Step 6: Final answer
    x = 492,554.33

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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.