Home / 782,967.65-1,080,477.52-456,260.22

Finding the Fourth Proportional to 782,967.65, 1,080,477.52 and 456,260.22

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Solution

The fourth proportional to 782,967.65, 1,080,477.52 and 456,260.22 is: 629,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,967.65 : 1,080,477.52 = 456,260.22 : x
  2. Step 2: Convert to fraction form
    782,967.65/1,080,477.52 = 456,260.22/x
  3. Step 3: Cross multiply
    782,967.65x = 1,080,477.52 × 456,260.22
  4. Step 4: Simplify right side
    782,967.65x = 492,978,909,839.60
  5. Step 5: Solve for x
    x = 492,978,909,839.60/782,967.65
  6. Step 6: Final answer
    x = 629,628.71

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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.