Home / 672,026.68-1,007,690-316,945.36

Finding the Fourth Proportional to 672,026.68, 1,007,690 and 316,945.36

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Solution

The fourth proportional to 672,026.68, 1,007,690 and 316,945.36 is: 475,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,026.68 : 1,007,690 = 316,945.36 : x
  2. Step 2: Convert to fraction form
    672,026.68/1,007,690 = 316,945.36/x
  3. Step 3: Cross multiply
    672,026.68x = 1,007,690 × 316,945.36
  4. Step 4: Simplify right side
    672,026.68x = 319,382,669,818.40
  5. Step 5: Solve for x
    x = 319,382,669,818.40/672,026.68
  6. Step 6: Final answer
    x = 475,252.96

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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.