Home / 975,225.87-1,345,912.23-561,776.56

Finding the Fourth Proportional to 975,225.87, 1,345,912.23 and 561,776.56

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Solution

The fourth proportional to 975,225.87, 1,345,912.23 and 561,776.56 is: 775,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,225.87 : 1,345,912.23 = 561,776.56 : x
  2. Step 2: Convert to fraction form
    975,225.87/1,345,912.23 = 561,776.56/x
  3. Step 3: Cross multiply
    975,225.87x = 1,345,912.23 × 561,776.56
  4. Step 4: Simplify right side
    975,225.87x = 756,101,933,092.89
  5. Step 5: Solve for x
    x = 756,101,933,092.89/975,225.87
  6. Step 6: Final answer
    x = 775,309.55

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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.