Home / 727,314.83-1,003,786.13-440,798.39

Finding the Fourth Proportional to 727,314.83, 1,003,786.13 and 440,798.39

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Solution

The fourth proportional to 727,314.83, 1,003,786.13 and 440,798.39 is: 608,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,314.83 : 1,003,786.13 = 440,798.39 : x
  2. Step 2: Convert to fraction form
    727,314.83/1,003,786.13 = 440,798.39/x
  3. Step 3: Cross multiply
    727,314.83x = 1,003,786.13 × 440,798.39
  4. Step 4: Simplify right side
    727,314.83x = 442,467,307,804.34
  5. Step 5: Solve for x
    x = 442,467,307,804.34/727,314.83
  6. Step 6: Final answer
    x = 608,357.33

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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.