Home / 731,837.76-1,009,803.27-421,692

Finding the Fourth Proportional to 731,837.76, 1,009,803.27 and 421,692

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Solution

The fourth proportional to 731,837.76, 1,009,803.27 and 421,692 is: 581,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,837.76 : 1,009,803.27 = 421,692 : x
  2. Step 2: Convert to fraction form
    731,837.76/1,009,803.27 = 421,692/x
  3. Step 3: Cross multiply
    731,837.76x = 1,009,803.27 × 421,692
  4. Step 4: Simplify right side
    731,837.76x = 425,825,960,532.84
  5. Step 5: Solve for x
    x = 425,825,960,532.84/731,837.76
  6. Step 6: Final answer
    x = 581,858.42

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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.