Home / 428,919.96-592,062.78-292,856.28

Finding the Fourth Proportional to 428,919.96, 592,062.78 and 292,856.28

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Solution

The fourth proportional to 428,919.96, 592,062.78 and 292,856.28 is: 404,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,919.96 : 592,062.78 = 292,856.28 : x
  2. Step 2: Convert to fraction form
    428,919.96/592,062.78 = 292,856.28/x
  3. Step 3: Cross multiply
    428,919.96x = 592,062.78 × 292,856.28
  4. Step 4: Simplify right side
    428,919.96x = 173,389,303,277.26
  5. Step 5: Solve for x
    x = 173,389,303,277.26/428,919.96
  6. Step 6: Final answer
    x = 404,246.29

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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.