Home / 1,338,624.30-2,008,734.29-485,762.50

Finding the Fourth Proportional to 1,338,624.30, 2,008,734.29 and 485,762.50

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Solution

The fourth proportional to 1,338,624.30, 2,008,734.29 and 485,762.50 is: 728,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,624.30 : 2,008,734.29 = 485,762.50 : x
  2. Step 2: Convert to fraction form
    1,338,624.30/2,008,734.29 = 485,762.50/x
  3. Step 3: Cross multiply
    1,338,624.30x = 2,008,734.29 × 485,762.50
  4. Step 4: Simplify right side
    1,338,624.30x = 975,767,792,449.84
  5. Step 5: Solve for x
    x = 975,767,792,449.84/1,338,624.30
  6. Step 6: Final answer
    x = 728,933.27

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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.