Home / 466,275.33-643,402.44-294,128.31

Finding the Fourth Proportional to 466,275.33, 643,402.44 and 294,128.31

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Solution

The fourth proportional to 466,275.33, 643,402.44 and 294,128.31 is: 405,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,275.33 : 643,402.44 = 294,128.31 : x
  2. Step 2: Convert to fraction form
    466,275.33/643,402.44 = 294,128.31/x
  3. Step 3: Cross multiply
    466,275.33x = 643,402.44 × 294,128.31
  4. Step 4: Simplify right side
    466,275.33x = 189,242,872,327.08
  5. Step 5: Solve for x
    x = 189,242,872,327.08/466,275.33
  6. Step 6: Final answer
    x = 405,860.79

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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.