Home / 722,042.64-1,083,186.95-362,385.02

Finding the Fourth Proportional to 722,042.64, 1,083,186.95 and 362,385.02

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Solution

The fourth proportional to 722,042.64, 1,083,186.95 and 362,385.02 is: 543,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,042.64 : 1,083,186.95 = 362,385.02 : x
  2. Step 2: Convert to fraction form
    722,042.64/1,083,186.95 = 362,385.02/x
  3. Step 3: Cross multiply
    722,042.64x = 1,083,186.95 × 362,385.02
  4. Step 4: Simplify right side
    722,042.64x = 392,530,717,311.63
  5. Step 5: Solve for x
    x = 392,530,717,311.63/722,042.64
  6. Step 6: Final answer
    x = 543,639.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.