Home / 999,395.36-1,379,299.20-563,902.32

Finding the Fourth Proportional to 999,395.36, 1,379,299.20 and 563,902.32

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Solution

The fourth proportional to 999,395.36, 1,379,299.20 and 563,902.32 is: 778,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,395.36 : 1,379,299.20 = 563,902.32 : x
  2. Step 2: Convert to fraction form
    999,395.36/1,379,299.20 = 563,902.32/x
  3. Step 3: Cross multiply
    999,395.36x = 1,379,299.20 × 563,902.32
  4. Step 4: Simplify right side
    999,395.36x = 777,790,018,854.14
  5. Step 5: Solve for x
    x = 777,790,018,854.14/999,395.36
  6. Step 6: Final answer
    x = 778,260.59

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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.