Home / 672,024.90-1,007,687.40-316,943.58

Finding the Fourth Proportional to 672,024.90, 1,007,687.40 and 316,943.58

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Solution

The fourth proportional to 672,024.90, 1,007,687.40 and 316,943.58 is: 475,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,024.90 : 1,007,687.40 = 316,943.58 : x
  2. Step 2: Convert to fraction form
    672,024.90/1,007,687.40 = 316,943.58/x
  3. Step 3: Cross multiply
    672,024.90x = 1,007,687.40 × 316,943.58
  4. Step 4: Simplify right side
    672,024.90x = 319,380,052,076.89
  5. Step 5: Solve for x
    x = 319,380,052,076.89/672,024.90
  6. Step 6: Final answer
    x = 475,250.32

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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.