Home / 641,971.32-962,385.93-304,803.96

Finding the Fourth Proportional to 641,971.32, 962,385.93 and 304,803.96

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Solution

The fourth proportional to 641,971.32, 962,385.93 and 304,803.96 is: 456,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,971.32 : 962,385.93 = 304,803.96 : x
  2. Step 2: Convert to fraction form
    641,971.32/962,385.93 = 304,803.96/x
  3. Step 3: Cross multiply
    641,971.32x = 962,385.93 × 304,803.96
  4. Step 4: Simplify right side
    641,971.32x = 293,339,042,512.28
  5. Step 5: Solve for x
    x = 293,339,042,512.28/641,971.32
  6. Step 6: Final answer
    x = 456,934.81

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1.5x scale

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.