Home / 704,765.07-1,057,147.61-172,285.25

Finding the Fourth Proportional to 704,765.07, 1,057,147.61 and 172,285.25

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Solution

The fourth proportional to 704,765.07, 1,057,147.61 and 172,285.25 is: 258,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,765.07 : 1,057,147.61 = 172,285.25 : x
  2. Step 2: Convert to fraction form
    704,765.07/1,057,147.61 = 172,285.25/x
  3. Step 3: Cross multiply
    704,765.07x = 1,057,147.61 × 172,285.25
  4. Step 4: Simplify right side
    704,765.07x = 182,130,934,128.59
  5. Step 5: Solve for x
    x = 182,130,934,128.59/704,765.07
  6. Step 6: Final answer
    x = 258,427.87

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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.