Home / 718,607.21-1,077,726.94-213,049.96

Finding the Fourth Proportional to 718,607.21, 1,077,726.94 and 213,049.96

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Solution

The fourth proportional to 718,607.21, 1,077,726.94 and 213,049.96 is: 319,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,607.21 : 1,077,726.94 = 213,049.96 : x
  2. Step 2: Convert to fraction form
    718,607.21/1,077,726.94 = 213,049.96/x
  3. Step 3: Cross multiply
    718,607.21x = 1,077,726.94 × 213,049.96
  4. Step 4: Simplify right side
    718,607.21x = 229,609,681,457.92
  5. Step 5: Solve for x
    x = 229,609,681,457.92/718,607.21
  6. Step 6: Final answer
    x = 319,520.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.