Home / 460,257.30-634,827.89-307,218.33

Finding the Fourth Proportional to 460,257.30, 634,827.89 and 307,218.33

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Solution

The fourth proportional to 460,257.30, 634,827.89 and 307,218.33 is: 423,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,257.30 : 634,827.89 = 307,218.33 : x
  2. Step 2: Convert to fraction form
    460,257.30/634,827.89 = 307,218.33/x
  3. Step 3: Cross multiply
    460,257.30x = 634,827.89 × 307,218.33
  4. Step 4: Simplify right side
    460,257.30x = 195,030,764,203.22
  5. Step 5: Solve for x
    x = 195,030,764,203.22/460,257.30
  6. Step 6: Final answer
    x = 423,742.90

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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.