Home / 804,940.65-1,207,410.98-521,505.45

Finding the Fourth Proportional to 804,940.65, 1,207,410.98 and 521,505.45

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Solution

The fourth proportional to 804,940.65, 1,207,410.98 and 521,505.45 is: 782,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,940.65 : 1,207,410.98 = 521,505.45 : x
  2. Step 2: Convert to fraction form
    804,940.65/1,207,410.98 = 521,505.45/x
  3. Step 3: Cross multiply
    804,940.65x = 1,207,410.98 × 521,505.45
  4. Step 4: Simplify right side
    804,940.65x = 629,671,403,852.31
  5. Step 5: Solve for x
    x = 629,671,403,852.31/804,940.65
  6. Step 6: Final answer
    x = 782,258.18

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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.