Home / 672,010.93-1,007,666.37-316,929.61

Finding the Fourth Proportional to 672,010.93, 1,007,666.37 and 316,929.61

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Solution

The fourth proportional to 672,010.93, 1,007,666.37 and 316,929.61 is: 475,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,010.93 : 1,007,666.37 = 316,929.61 : x
  2. Step 2: Convert to fraction form
    672,010.93/1,007,666.37 = 316,929.61/x
  3. Step 3: Cross multiply
    672,010.93x = 1,007,666.37 × 316,929.61
  4. Step 4: Simplify right side
    672,010.93x = 319,359,309,654.22
  5. Step 5: Solve for x
    x = 319,359,309,654.22/672,010.93
  6. Step 6: Final answer
    x = 475,229.34

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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.