Home / 760,843.44-1,049,997.15-421,311.69

Finding the Fourth Proportional to 760,843.44, 1,049,997.15 and 421,311.69

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Solution

The fourth proportional to 760,843.44, 1,049,997.15 and 421,311.69 is: 581,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,843.44 : 1,049,997.15 = 421,311.69 : x
  2. Step 2: Convert to fraction form
    760,843.44/1,049,997.15 = 421,311.69/x
  3. Step 3: Cross multiply
    760,843.44x = 1,049,997.15 × 421,311.69
  4. Step 4: Simplify right side
    760,843.44x = 442,376,073,761.68
  5. Step 5: Solve for x
    x = 442,376,073,761.68/760,843.44
  6. Step 6: Final answer
    x = 581,428.52

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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.