Home / 434,320.74-650,584.38-322,127.64

Finding the Fourth Proportional to 434,320.74, 650,584.38 and 322,127.64

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Solution

The fourth proportional to 434,320.74, 650,584.38 and 322,127.64 is: 482,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,320.74 : 650,584.38 = 322,127.64 : x
  2. Step 2: Convert to fraction form
    434,320.74/650,584.38 = 322,127.64/x
  3. Step 3: Cross multiply
    434,320.74x = 650,584.38 × 322,127.64
  4. Step 4: Simplify right side
    434,320.74x = 209,571,210,950.26
  5. Step 5: Solve for x
    x = 209,571,210,950.26/434,320.74
  6. Step 6: Final answer
    x = 482,526.37

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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.