Home / 874,333.32-1,207,138.02-713,572.44

Finding the Fourth Proportional to 874,333.32, 1,207,138.02 and 713,572.44

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Solution

The fourth proportional to 874,333.32, 1,207,138.02 and 713,572.44 is: 985,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,333.32 : 1,207,138.02 = 713,572.44 : x
  2. Step 2: Convert to fraction form
    874,333.32/1,207,138.02 = 713,572.44/x
  3. Step 3: Cross multiply
    874,333.32x = 1,207,138.02 × 713,572.44
  4. Step 4: Simplify right side
    874,333.32x = 861,380,422,348.17
  5. Step 5: Solve for x
    x = 861,380,422,348.17/874,333.32
  6. Step 6: Final answer
    x = 985,185.40

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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.