Home / 570,513.54-787,329.91-325,538.18

Finding the Fourth Proportional to 570,513.54, 787,329.91 and 325,538.18

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Solution

The fourth proportional to 570,513.54, 787,329.91 and 325,538.18 is: 449,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,513.54 : 787,329.91 = 325,538.18 : x
  2. Step 2: Convert to fraction form
    570,513.54/787,329.91 = 325,538.18/x
  3. Step 3: Cross multiply
    570,513.54x = 787,329.91 × 325,538.18
  4. Step 4: Simplify right side
    570,513.54x = 256,305,945,960.96
  5. Step 5: Solve for x
    x = 256,305,945,960.96/570,513.54
  6. Step 6: Final answer
    x = 449,254.80

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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.