Home / 727,536.70-1,003,949.04-400,835.44

Finding the Fourth Proportional to 727,536.70, 1,003,949.04 and 400,835.44

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Solution

The fourth proportional to 727,536.70, 1,003,949.04 and 400,835.44 is: 553,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,536.70 : 1,003,949.04 = 400,835.44 : x
  2. Step 2: Convert to fraction form
    727,536.70/1,003,949.04 = 400,835.44/x
  3. Step 3: Cross multiply
    727,536.70x = 1,003,949.04 × 400,835.44
  4. Step 4: Simplify right side
    727,536.70x = 402,418,355,185.98
  5. Step 5: Solve for x
    x = 402,418,355,185.98/727,536.70
  6. Step 6: Final answer
    x = 553,124.47

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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.