Home / 827,868.36-1,142,499.03-505,526.43

Finding the Fourth Proportional to 827,868.36, 1,142,499.03 and 505,526.43

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Solution

The fourth proportional to 827,868.36, 1,142,499.03 and 505,526.43 is: 697,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,868.36 : 1,142,499.03 = 505,526.43 : x
  2. Step 2: Convert to fraction form
    827,868.36/1,142,499.03 = 505,526.43/x
  3. Step 3: Cross multiply
    827,868.36x = 1,142,499.03 × 505,526.43
  4. Step 4: Simplify right side
    827,868.36x = 577,563,455,914.36
  5. Step 5: Solve for x
    x = 577,563,455,914.36/827,868.36
  6. Step 6: Final answer
    x = 697,651.32

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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.