Home / 774,051.83-1,159,310.01-369,528.59

Finding the Fourth Proportional to 774,051.83, 1,159,310.01 and 369,528.59

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Solution

The fourth proportional to 774,051.83, 1,159,310.01 and 369,528.59 is: 553,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,051.83 : 1,159,310.01 = 369,528.59 : x
  2. Step 2: Convert to fraction form
    774,051.83/1,159,310.01 = 369,528.59/x
  3. Step 3: Cross multiply
    774,051.83x = 1,159,310.01 × 369,528.59
  4. Step 4: Simplify right side
    774,051.83x = 428,398,187,571.64
  5. Step 5: Solve for x
    x = 428,398,187,571.64/774,051.83
  6. Step 6: Final answer
    x = 553,448.97

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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.