Home / 727,054.21-1,003,315.21-404,764.34

Finding the Fourth Proportional to 727,054.21, 1,003,315.21 and 404,764.34

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Solution

The fourth proportional to 727,054.21, 1,003,315.21 and 404,764.34 is: 558,563.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,054.21 : 1,003,315.21 = 404,764.34 : x
  2. Step 2: Convert to fraction form
    727,054.21/1,003,315.21 = 404,764.34/x
  3. Step 3: Cross multiply
    727,054.21x = 1,003,315.21 × 404,764.34
  4. Step 4: Simplify right side
    727,054.21x = 406,106,217,288.53
  5. Step 5: Solve for x
    x = 406,106,217,288.53/727,054.21
  6. Step 6: Final answer
    x = 558,563.87

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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.