Home / 940,239.44-1,295,914.92-678,810.32

Finding the Fourth Proportional to 940,239.44, 1,295,914.92 and 678,810.32

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Solution

The fourth proportional to 940,239.44, 1,295,914.92 and 678,810.32 is: 935,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,239.44 : 1,295,914.92 = 678,810.32 : x
  2. Step 2: Convert to fraction form
    940,239.44/1,295,914.92 = 678,810.32/x
  3. Step 3: Cross multiply
    940,239.44x = 1,295,914.92 × 678,810.32
  4. Step 4: Simplify right side
    940,239.44x = 879,680,421,537.97
  5. Step 5: Solve for x
    x = 879,680,421,537.97/940,239.44
  6. Step 6: Final answer
    x = 935,591.92

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1.5x scale

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.