Home / 769,277.17-1,061,643.25-463,449.81

Finding the Fourth Proportional to 769,277.17, 1,061,643.25 and 463,449.81

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Solution

The fourth proportional to 769,277.17, 1,061,643.25 and 463,449.81 is: 639,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,277.17 : 1,061,643.25 = 463,449.81 : x
  2. Step 2: Convert to fraction form
    769,277.17/1,061,643.25 = 463,449.81/x
  3. Step 3: Cross multiply
    769,277.17x = 1,061,643.25 × 463,449.81
  4. Step 4: Simplify right side
    769,277.17x = 492,018,362,500.28
  5. Step 5: Solve for x
    x = 492,018,362,500.28/769,277.17
  6. Step 6: Final answer
    x = 639,585.29

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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.