Home / 999,396.36-1,379,300.58-563,903.32

Finding the Fourth Proportional to 999,396.36, 1,379,300.58 and 563,903.32

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Solution

The fourth proportional to 999,396.36, 1,379,300.58 and 563,903.32 is: 778,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,396.36 : 1,379,300.58 = 563,903.32 : x
  2. Step 2: Convert to fraction form
    999,396.36/1,379,300.58 = 563,903.32/x
  3. Step 3: Cross multiply
    999,396.36x = 1,379,300.58 × 563,903.32
  4. Step 4: Simplify right side
    999,396.36x = 777,792,176,339.93
  5. Step 5: Solve for x
    x = 777,792,176,339.93/999,396.36
  6. Step 6: Final answer
    x = 778,261.97

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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.