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Finding the Fourth Proportional to 548,373.34, 756,723.81 and 303,343.48

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Solution

The fourth proportional to 548,373.34, 756,723.81 and 303,343.48 is: 418,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,373.34 : 756,723.81 = 303,343.48 : x
  2. Step 2: Convert to fraction form
    548,373.34/756,723.81 = 303,343.48/x
  3. Step 3: Cross multiply
    548,373.34x = 756,723.81 × 303,343.48
  4. Step 4: Simplify right side
    548,373.34x = 229,547,233,924.26
  5. Step 5: Solve for x
    x = 229,547,233,924.26/548,373.34
  6. Step 6: Final answer
    x = 418,596.63

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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.