Home / 491,890.81-736,169.70-302,471.16

Finding the Fourth Proportional to 491,890.81, 736,169.70 and 302,471.16

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Solution

The fourth proportional to 491,890.81, 736,169.70 and 302,471.16 is: 452,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,890.81 : 736,169.70 = 302,471.16 : x
  2. Step 2: Convert to fraction form
    491,890.81/736,169.70 = 302,471.16/x
  3. Step 3: Cross multiply
    491,890.81x = 736,169.70 × 302,471.16
  4. Step 4: Simplify right side
    491,890.81x = 222,670,103,115.85
  5. Step 5: Solve for x
    x = 222,670,103,115.85/491,890.81
  6. Step 6: Final answer
    x = 452,681.97

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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.