Home / 479,473.20-661,921.81-350,266.66

Finding the Fourth Proportional to 479,473.20, 661,921.81 and 350,266.66

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Solution

The fourth proportional to 479,473.20, 661,921.81 and 350,266.66 is: 483,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,473.20 : 661,921.81 = 350,266.66 : x
  2. Step 2: Convert to fraction form
    479,473.20/661,921.81 = 350,266.66/x
  3. Step 3: Cross multiply
    479,473.20x = 661,921.81 × 350,266.66
  4. Step 4: Simplify right side
    479,473.20x = 231,849,139,039.38
  5. Step 5: Solve for x
    x = 231,849,139,039.38/479,473.20
  6. Step 6: Final answer
    x = 483,549.74

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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.