Home / 845,338.48-1,166,611.81-463,381.36

Finding the Fourth Proportional to 845,338.48, 1,166,611.81 and 463,381.36

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Solution

The fourth proportional to 845,338.48, 1,166,611.81 and 463,381.36 is: 639,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,338.48 : 1,166,611.81 = 463,381.36 : x
  2. Step 2: Convert to fraction form
    845,338.48/1,166,611.81 = 463,381.36/x
  3. Step 3: Cross multiply
    845,338.48x = 1,166,611.81 × 463,381.36
  4. Step 4: Simplify right side
    845,338.48x = 540,586,167,109.86
  5. Step 5: Solve for x
    x = 540,586,167,109.86/845,338.48
  6. Step 6: Final answer
    x = 639,490.78

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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.