Home / 750,685.73-1,035,946.86-406,524.37

Finding the Fourth Proportional to 750,685.73, 1,035,946.86 and 406,524.37

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Solution

The fourth proportional to 750,685.73, 1,035,946.86 and 406,524.37 is: 561,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,685.73 : 1,035,946.86 = 406,524.37 : x
  2. Step 2: Convert to fraction form
    750,685.73/1,035,946.86 = 406,524.37/x
  3. Step 3: Cross multiply
    750,685.73x = 1,035,946.86 × 406,524.37
  4. Step 4: Simplify right side
    750,685.73x = 421,137,644,614.98
  5. Step 5: Solve for x
    x = 421,137,644,614.98/750,685.73
  6. Step 6: Final answer
    x = 561,003.93

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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.