Home / 479,551.74-719,326.40-450,321.27

Finding the Fourth Proportional to 479,551.74, 719,326.40 and 450,321.27

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Solution

The fourth proportional to 479,551.74, 719,326.40 and 450,321.27 is: 675,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,551.74 : 719,326.40 = 450,321.27 : x
  2. Step 2: Convert to fraction form
    479,551.74/719,326.40 = 450,321.27/x
  3. Step 3: Cross multiply
    479,551.74x = 719,326.40 × 450,321.27
  4. Step 4: Simplify right side
    479,551.74x = 323,927,975,740.92
  5. Step 5: Solve for x
    x = 323,927,975,740.92/479,551.74
  6. Step 6: Final answer
    x = 675,480.76

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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.