Home / 794,687.90-1,191,310.86-288,891.65

Finding the Fourth Proportional to 794,687.90, 1,191,310.86 and 288,891.65

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Solution

The fourth proportional to 794,687.90, 1,191,310.86 and 288,891.65 is: 433,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,687.90 : 1,191,310.86 = 288,891.65 : x
  2. Step 2: Convert to fraction form
    794,687.90/1,191,310.86 = 288,891.65/x
  3. Step 3: Cross multiply
    794,687.90x = 1,191,310.86 × 288,891.65
  4. Step 4: Simplify right side
    794,687.90x = 344,159,754,051.77
  5. Step 5: Solve for x
    x = 344,159,754,051.77/794,687.90
  6. Step 6: Final answer
    x = 433,075.37

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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.