Home / 721,302.04-1,082,051.43-300,479.50

Finding the Fourth Proportional to 721,302.04, 1,082,051.43 and 300,479.50

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Solution

The fourth proportional to 721,302.04, 1,082,051.43 and 300,479.50 is: 450,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,302.04 : 1,082,051.43 = 300,479.50 : x
  2. Step 2: Convert to fraction form
    721,302.04/1,082,051.43 = 300,479.50/x
  3. Step 3: Cross multiply
    721,302.04x = 1,082,051.43 × 300,479.50
  4. Step 4: Simplify right side
    721,302.04x = 325,134,272,660.69
  5. Step 5: Solve for x
    x = 325,134,272,660.69/721,302.04
  6. Step 6: Final answer
    x = 450,760.23

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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.