Home / 820,709.40-1,231,497.57-582,363.48

Finding the Fourth Proportional to 820,709.40, 1,231,497.57 and 582,363.48

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Solution

The fourth proportional to 820,709.40, 1,231,497.57 and 582,363.48 is: 873,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,709.40 : 1,231,497.57 = 582,363.48 : x
  2. Step 2: Convert to fraction form
    820,709.40/1,231,497.57 = 582,363.48/x
  3. Step 3: Cross multiply
    820,709.40x = 1,231,497.57 × 582,363.48
  4. Step 4: Simplify right side
    820,709.40x = 717,179,210,476.74
  5. Step 5: Solve for x
    x = 717,179,210,476.74/820,709.40
  6. Step 6: Final answer
    x = 873,852.80

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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.