Home / 750,856.29-1,036,173.44-406,683.66

Finding the Fourth Proportional to 750,856.29, 1,036,173.44 and 406,683.66

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Solution

The fourth proportional to 750,856.29, 1,036,173.44 and 406,683.66 is: 561,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,856.29 : 1,036,173.44 = 406,683.66 : x
  2. Step 2: Convert to fraction form
    750,856.29/1,036,173.44 = 406,683.66/x
  3. Step 3: Cross multiply
    750,856.29x = 1,036,173.44 × 406,683.66
  4. Step 4: Simplify right side
    750,856.29x = 421,394,804,940.57
  5. Step 5: Solve for x
    x = 421,394,804,940.57/750,856.29
  6. Step 6: Final answer
    x = 561,218.98

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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.