Home / 750,910.73-1,036,257.84-406,750.41

Finding the Fourth Proportional to 750,910.73, 1,036,257.84 and 406,750.41

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Solution

The fourth proportional to 750,910.73, 1,036,257.84 and 406,750.41 is: 561,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,910.73 : 1,036,257.84 = 406,750.41 : x
  2. Step 2: Convert to fraction form
    750,910.73/1,036,257.84 = 406,750.41/x
  3. Step 3: Cross multiply
    750,910.73x = 1,036,257.84 × 406,750.41
  4. Step 4: Simplify right side
    750,910.73x = 421,498,301,285.71
  5. Step 5: Solve for x
    x = 421,498,301,285.71/750,910.73
  6. Step 6: Final answer
    x = 561,316.13

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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.