Home / 819,592.34-1,131,112.05-497,384.42

Finding the Fourth Proportional to 819,592.34, 1,131,112.05 and 497,384.42

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Solution

The fourth proportional to 819,592.34, 1,131,112.05 and 497,384.42 is: 686,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,592.34 : 1,131,112.05 = 497,384.42 : x
  2. Step 2: Convert to fraction form
    819,592.34/1,131,112.05 = 497,384.42/x
  3. Step 3: Cross multiply
    819,592.34x = 1,131,112.05 × 497,384.42
  4. Step 4: Simplify right side
    819,592.34x = 562,597,510,944.26
  5. Step 5: Solve for x
    x = 562,597,510,944.26/819,592.34
  6. Step 6: Final answer
    x = 686,435.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.