Home / 727,537.76-1,003,950.48-400,836.32

Finding the Fourth Proportional to 727,537.76, 1,003,950.48 and 400,836.32

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Solution

The fourth proportional to 727,537.76, 1,003,950.48 and 400,836.32 is: 553,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,537.76 : 1,003,950.48 = 400,836.32 : x
  2. Step 2: Convert to fraction form
    727,537.76/1,003,950.48 = 400,836.32/x
  3. Step 3: Cross multiply
    727,537.76x = 1,003,950.48 × 400,836.32
  4. Step 4: Simplify right side
    727,537.76x = 402,419,815,865.43
  5. Step 5: Solve for x
    x = 402,419,815,865.43/727,537.76
  6. Step 6: Final answer
    x = 553,125.68

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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.