Home / 772,811.02-1,065,781.09-482,449.39

Finding the Fourth Proportional to 772,811.02, 1,065,781.09 and 482,449.39

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Solution

The fourth proportional to 772,811.02, 1,065,781.09 and 482,449.39 is: 665,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,811.02 : 1,065,781.09 = 482,449.39 : x
  2. Step 2: Convert to fraction form
    772,811.02/1,065,781.09 = 482,449.39/x
  3. Step 3: Cross multiply
    772,811.02x = 1,065,781.09 × 482,449.39
  4. Step 4: Simplify right side
    772,811.02x = 514,185,436,744.04
  5. Step 5: Solve for x
    x = 514,185,436,744.04/772,811.02
  6. Step 6: Final answer
    x = 665,344.34

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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.