Home / 831,044.86-1,245,298.83-493,420.66

Finding the Fourth Proportional to 831,044.86, 1,245,298.83 and 493,420.66

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Solution

The fourth proportional to 831,044.86, 1,245,298.83 and 493,420.66 is: 739,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,044.86 : 1,245,298.83 = 493,420.66 : x
  2. Step 2: Convert to fraction form
    831,044.86/1,245,298.83 = 493,420.66/x
  3. Step 3: Cross multiply
    831,044.86x = 1,245,298.83 × 493,420.66
  4. Step 4: Simplify right side
    831,044.86x = 614,456,170,595.83
  5. Step 5: Solve for x
    x = 614,456,170,595.83/831,044.86
  6. Step 6: Final answer
    x = 739,377.86

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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.