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Finding the Fourth Proportional to 545,728.96, 819,105.36 and 335,776.96

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Solution

The fourth proportional to 545,728.96, 819,105.36 and 335,776.96 is: 503,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,728.96 : 819,105.36 = 335,776.96 : x
  2. Step 2: Convert to fraction form
    545,728.96/819,105.36 = 335,776.96/x
  3. Step 3: Cross multiply
    545,728.96x = 819,105.36 × 335,776.96
  4. Step 4: Simplify right side
    545,728.96x = 275,036,707,700.51
  5. Step 5: Solve for x
    x = 275,036,707,700.51/545,728.96
  6. Step 6: Final answer
    x = 503,980.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.