Home / 728,698.25-1,092,810.55-242,249.82

Finding the Fourth Proportional to 728,698.25, 1,092,810.55 and 242,249.82

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Solution

The fourth proportional to 728,698.25, 1,092,810.55 and 242,249.82 is: 363,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,698.25 : 1,092,810.55 = 242,249.82 : x
  2. Step 2: Convert to fraction form
    728,698.25/1,092,810.55 = 242,249.82/x
  3. Step 3: Cross multiply
    728,698.25x = 1,092,810.55 × 242,249.82
  4. Step 4: Simplify right side
    728,698.25x = 264,733,153,870.36
  5. Step 5: Solve for x
    x = 264,733,153,870.36/728,698.25
  6. Step 6: Final answer
    x = 363,295.99

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Double scale
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1.5x scale

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.