Home / 640,834.12-961,316.88-241,810.66

Finding the Fourth Proportional to 640,834.12, 961,316.88 and 241,810.66

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Solution

The fourth proportional to 640,834.12, 961,316.88 and 241,810.66 is: 362,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,834.12 : 961,316.88 = 241,810.66 : x
  2. Step 2: Convert to fraction form
    640,834.12/961,316.88 = 241,810.66/x
  3. Step 3: Cross multiply
    640,834.12x = 961,316.88 × 241,810.66
  4. Step 4: Simplify right side
    640,834.12x = 232,456,669,221.94
  5. Step 5: Solve for x
    x = 232,456,669,221.94/640,834.12
  6. Step 6: Final answer
    x = 362,740.78

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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.