Home / 831,042.36-1,245,295.08-493,418.16

Finding the Fourth Proportional to 831,042.36, 1,245,295.08 and 493,418.16

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Solution

The fourth proportional to 831,042.36, 1,245,295.08 and 493,418.16 is: 739,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,042.36 : 1,245,295.08 = 493,418.16 : x
  2. Step 2: Convert to fraction form
    831,042.36/1,245,295.08 = 493,418.16/x
  3. Step 3: Cross multiply
    831,042.36x = 1,245,295.08 × 493,418.16
  4. Step 4: Simplify right side
    831,042.36x = 614,451,207,030.65
  5. Step 5: Solve for x
    x = 614,451,207,030.65/831,042.36
  6. Step 6: Final answer
    x = 739,374.11

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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.