Home / 773,153.76-1,067,418.74-505,348.32

Finding the Fourth Proportional to 773,153.76, 1,067,418.74 and 505,348.32

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Solution

The fourth proportional to 773,153.76, 1,067,418.74 and 505,348.32 is: 697,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,153.76 : 1,067,418.74 = 505,348.32 : x
  2. Step 2: Convert to fraction form
    773,153.76/1,067,418.74 = 505,348.32/x
  3. Step 3: Cross multiply
    773,153.76x = 1,067,418.74 × 505,348.32
  4. Step 4: Simplify right side
    773,153.76x = 539,418,266,995.52
  5. Step 5: Solve for x
    x = 539,418,266,995.52/773,153.76
  6. Step 6: Final answer
    x = 697,685.63

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Double scale
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1.5x scale

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.