Home / 672,030.68-1,007,696-316,949.36

Finding the Fourth Proportional to 672,030.68, 1,007,696 and 316,949.36

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Solution

The fourth proportional to 672,030.68, 1,007,696 and 316,949.36 is: 475,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,030.68 : 1,007,696 = 316,949.36 : x
  2. Step 2: Convert to fraction form
    672,030.68/1,007,696 = 316,949.36/x
  3. Step 3: Cross multiply
    672,030.68x = 1,007,696 × 316,949.36
  4. Step 4: Simplify right side
    672,030.68x = 319,388,602,274.56
  5. Step 5: Solve for x
    x = 319,388,602,274.56/672,030.68
  6. Step 6: Final answer
    x = 475,258.96

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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.