Home / 999,448.96-1,379,239.80-563,958.77

Finding the Fourth Proportional to 999,448.96, 1,379,239.80 and 563,958.77

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Solution

The fourth proportional to 999,448.96, 1,379,239.80 and 563,958.77 is: 778,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,448.96 : 1,379,239.80 = 563,958.77 : x
  2. Step 2: Convert to fraction form
    999,448.96/1,379,239.80 = 563,958.77/x
  3. Step 3: Cross multiply
    999,448.96x = 1,379,239.80 × 563,958.77
  4. Step 4: Simplify right side
    999,448.96x = 777,834,383,062.49
  5. Step 5: Solve for x
    x = 777,834,383,062.49/999,448.96
  6. Step 6: Final answer
    x = 778,263.24

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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.