Home / 483,822.49-666,690.38-374,261.22

Finding the Fourth Proportional to 483,822.49, 666,690.38 and 374,261.22

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Solution

The fourth proportional to 483,822.49, 666,690.38 and 374,261.22 is: 515,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,822.49 : 666,690.38 = 374,261.22 : x
  2. Step 2: Convert to fraction form
    483,822.49/666,690.38 = 374,261.22/x
  3. Step 3: Cross multiply
    483,822.49x = 666,690.38 × 374,261.22
  4. Step 4: Simplify right side
    483,822.49x = 249,516,356,770.77
  5. Step 5: Solve for x
    x = 249,516,356,770.77/483,822.49
  6. Step 6: Final answer
    x = 515,718.80

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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.