Home / 875,378.78-1,312,575.66-276,228.26

Finding the Fourth Proportional to 875,378.78, 1,312,575.66 and 276,228.26

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Solution

The fourth proportional to 875,378.78, 1,312,575.66 and 276,228.26 is: 414,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,378.78 : 1,312,575.66 = 276,228.26 : x
  2. Step 2: Convert to fraction form
    875,378.78/1,312,575.66 = 276,228.26/x
  3. Step 3: Cross multiply
    875,378.78x = 1,312,575.66 × 276,228.26
  4. Step 4: Simplify right side
    875,378.78x = 362,570,490,680.15
  5. Step 5: Solve for x
    x = 362,570,490,680.15/875,378.78
  6. Step 6: Final answer
    x = 414,186.98

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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.