Home / 750,221.09-1,035,305.03-406,056.96

Finding the Fourth Proportional to 750,221.09, 1,035,305.03 and 406,056.96

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Solution

The fourth proportional to 750,221.09, 1,035,305.03 and 406,056.96 is: 560,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,221.09 : 1,035,305.03 = 406,056.96 : x
  2. Step 2: Convert to fraction form
    750,221.09/1,035,305.03 = 406,056.96/x
  3. Step 3: Cross multiply
    750,221.09x = 1,035,305.03 × 406,056.96
  4. Step 4: Simplify right side
    750,221.09x = 420,392,811,124.22
  5. Step 5: Solve for x
    x = 420,392,811,124.22/750,221.09
  6. Step 6: Final answer
    x = 560,358.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.