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Finding the Fourth Proportional to 519,441.30, 716,992.29 and 304,668.18

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Solution

The fourth proportional to 519,441.30, 716,992.29 and 304,668.18 is: 420,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,441.30 : 716,992.29 = 304,668.18 : x
  2. Step 2: Convert to fraction form
    519,441.30/716,992.29 = 304,668.18/x
  3. Step 3: Cross multiply
    519,441.30x = 716,992.29 × 304,668.18
  4. Step 4: Simplify right side
    519,441.30x = 218,444,736,068.33
  5. Step 5: Solve for x
    x = 218,444,736,068.33/519,441.30
  6. Step 6: Final answer
    x = 420,537.87

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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.