Home / 739,584.64-1,020,625.92-400,051.84

Finding the Fourth Proportional to 739,584.64, 1,020,625.92 and 400,051.84

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Solution

The fourth proportional to 739,584.64, 1,020,625.92 and 400,051.84 is: 552,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,584.64 : 1,020,625.92 = 400,051.84 : x
  2. Step 2: Convert to fraction form
    739,584.64/1,020,625.92 = 400,051.84/x
  3. Step 3: Cross multiply
    739,584.64x = 1,020,625.92 × 400,051.84
  4. Step 4: Simplify right side
    739,584.64x = 408,303,277,247.69
  5. Step 5: Solve for x
    x = 408,303,277,247.69/739,584.64
  6. Step 6: Final answer
    x = 552,071.06

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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.