Home / 843,417.49-1,163,943.89-461,435.53

Finding the Fourth Proportional to 843,417.49, 1,163,943.89 and 461,435.53

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Solution

The fourth proportional to 843,417.49, 1,163,943.89 and 461,435.53 is: 636,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,417.49 : 1,163,943.89 = 461,435.53 : x
  2. Step 2: Convert to fraction form
    843,417.49/1,163,943.89 = 461,435.53/x
  3. Step 3: Cross multiply
    843,417.49x = 1,163,943.89 × 461,435.53
  4. Step 4: Simplify right side
    843,417.49x = 537,085,064,016.14
  5. Step 5: Solve for x
    x = 537,085,064,016.14/843,417.49
  6. Step 6: Final answer
    x = 636,796.22

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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.