Home / 772,490.44-1,065,825.48-462,268.12

Finding the Fourth Proportional to 772,490.44, 1,065,825.48 and 462,268.12

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Solution

The fourth proportional to 772,490.44, 1,065,825.48 and 462,268.12 is: 637,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,490.44 : 1,065,825.48 = 462,268.12 : x
  2. Step 2: Convert to fraction form
    772,490.44/1,065,825.48 = 462,268.12/x
  3. Step 3: Cross multiply
    772,490.44x = 1,065,825.48 × 462,268.12
  4. Step 4: Simplify right side
    772,490.44x = 492,697,140,887.70
  5. Step 5: Solve for x
    x = 492,697,140,887.70/772,490.44
  6. Step 6: Final answer
    x = 637,803.54

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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.