Home / 758,295.82-1,137,440.49-308,916.46

Finding the Fourth Proportional to 758,295.82, 1,137,440.49 and 308,916.46

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Solution

The fourth proportional to 758,295.82, 1,137,440.49 and 308,916.46 is: 463,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,295.82 : 1,137,440.49 = 308,916.46 : x
  2. Step 2: Convert to fraction form
    758,295.82/1,137,440.49 = 308,916.46/x
  3. Step 3: Cross multiply
    758,295.82x = 1,137,440.49 × 308,916.46
  4. Step 4: Simplify right side
    758,295.82x = 351,374,089,631.47
  5. Step 5: Solve for x
    x = 351,374,089,631.47/758,295.82
  6. Step 6: Final answer
    x = 463,373.37

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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.