Home / 674,402.34-1,012,102.83-319,417.41

Finding the Fourth Proportional to 674,402.34, 1,012,102.83 and 319,417.41

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Solution

The fourth proportional to 674,402.34, 1,012,102.83 and 319,417.41 is: 479,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,402.34 : 1,012,102.83 = 319,417.41 : x
  2. Step 2: Convert to fraction form
    674,402.34/1,012,102.83 = 319,417.41/x
  3. Step 3: Cross multiply
    674,402.34x = 1,012,102.83 × 319,417.41
  4. Step 4: Simplify right side
    674,402.34x = 323,283,268,407.66
  5. Step 5: Solve for x
    x = 323,283,268,407.66/674,402.34
  6. Step 6: Final answer
    x = 479,362.61

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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.