Home / 875,379.78-1,312,577.16-276,229.26

Finding the Fourth Proportional to 875,379.78, 1,312,577.16 and 276,229.26

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Solution

The fourth proportional to 875,379.78, 1,312,577.16 and 276,229.26 is: 414,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,379.78 : 1,312,577.16 = 276,229.26 : x
  2. Step 2: Convert to fraction form
    875,379.78/1,312,577.16 = 276,229.26/x
  3. Step 3: Cross multiply
    875,379.78x = 1,312,577.16 × 276,229.26
  4. Step 4: Simplify right side
    875,379.78x = 362,572,217,599.70
  5. Step 5: Solve for x
    x = 362,572,217,599.70/875,379.78
  6. Step 6: Final answer
    x = 414,188.48

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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.