Home / 690,537.96-952,968.12-380,453.15

Finding the Fourth Proportional to 690,537.96, 952,968.12 and 380,453.15

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Solution

The fourth proportional to 690,537.96, 952,968.12 and 380,453.15 is: 525,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,537.96 : 952,968.12 = 380,453.15 : x
  2. Step 2: Convert to fraction form
    690,537.96/952,968.12 = 380,453.15/x
  3. Step 3: Cross multiply
    690,537.96x = 952,968.12 × 380,453.15
  4. Step 4: Simplify right side
    690,537.96x = 362,559,718,338.74
  5. Step 5: Solve for x
    x = 362,559,718,338.74/690,537.96
  6. Step 6: Final answer
    x = 525,039.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.