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Finding the Fourth Proportional to 598,358.35, 825,673.93 and 368,878.87

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Solution

The fourth proportional to 598,358.35, 825,673.93 and 368,878.87 is: 509,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,358.35 : 825,673.93 = 368,878.87 : x
  2. Step 2: Convert to fraction form
    598,358.35/825,673.93 = 368,878.87/x
  3. Step 3: Cross multiply
    598,358.35x = 825,673.93 × 368,878.87
  4. Step 4: Simplify right side
    598,358.35x = 304,573,666,286.86
  5. Step 5: Solve for x
    x = 304,573,666,286.86/598,358.35
  6. Step 6: Final answer
    x = 509,015.49

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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.