Home / 641,970.32-962,384.43-304,802.96

Finding the Fourth Proportional to 641,970.32, 962,384.43 and 304,802.96

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Solution

The fourth proportional to 641,970.32, 962,384.43 and 304,802.96 is: 456,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,970.32 : 962,384.43 = 304,802.96 : x
  2. Step 2: Convert to fraction form
    641,970.32/962,384.43 = 304,802.96/x
  3. Step 3: Cross multiply
    641,970.32x = 962,384.43 × 304,802.96
  4. Step 4: Simplify right side
    641,970.32x = 293,337,622,921.91
  5. Step 5: Solve for x
    x = 293,337,622,921.91/641,970.32
  6. Step 6: Final answer
    x = 456,933.31

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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.