Home / 831,973.32-1,248,530.22-299,498.76

Finding the Fourth Proportional to 831,973.32, 1,248,530.22 and 299,498.76

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Solution

The fourth proportional to 831,973.32, 1,248,530.22 and 299,498.76 is: 449,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,973.32 : 1,248,530.22 = 299,498.76 : x
  2. Step 2: Convert to fraction form
    831,973.32/1,248,530.22 = 299,498.76/x
  3. Step 3: Cross multiply
    831,973.32x = 1,248,530.22 × 299,498.76
  4. Step 4: Simplify right side
    831,973.32x = 373,933,252,712.53
  5. Step 5: Solve for x
    x = 373,933,252,712.53/831,973.32
  6. Step 6: Final answer
    x = 449,453.42

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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.