Home / 579,664.74-799,945.53-350,190.12

Finding the Fourth Proportional to 579,664.74, 799,945.53 and 350,190.12

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Solution

The fourth proportional to 579,664.74, 799,945.53 and 350,190.12 is: 483,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,664.74 : 799,945.53 = 350,190.12 : x
  2. Step 2: Convert to fraction form
    579,664.74/799,945.53 = 350,190.12/x
  3. Step 3: Cross multiply
    579,664.74x = 799,945.53 × 350,190.12
  4. Step 4: Simplify right side
    579,664.74x = 280,133,021,144.16
  5. Step 5: Solve for x
    x = 280,133,021,144.16/579,664.74
  6. Step 6: Final answer
    x = 483,267.31

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1.5x scale

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.