Home / 976,786.80-1,465,180.20-528,889.20

Finding the Fourth Proportional to 976,786.80, 1,465,180.20 and 528,889.20

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Solution

The fourth proportional to 976,786.80, 1,465,180.20 and 528,889.20 is: 793,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,786.80 : 1,465,180.20 = 528,889.20 : x
  2. Step 2: Convert to fraction form
    976,786.80/1,465,180.20 = 528,889.20/x
  3. Step 3: Cross multiply
    976,786.80x = 1,465,180.20 × 528,889.20
  4. Step 4: Simplify right side
    976,786.80x = 774,917,983,833.84
  5. Step 5: Solve for x
    x = 774,917,983,833.84/976,786.80
  6. Step 6: Final answer
    x = 793,333.80

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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.