Home / 792,243.58-1,093,435.89-470,131.28

Finding the Fourth Proportional to 792,243.58, 1,093,435.89 and 470,131.28

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Solution

The fourth proportional to 792,243.58, 1,093,435.89 and 470,131.28 is: 648,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,243.58 : 1,093,435.89 = 470,131.28 : x
  2. Step 2: Convert to fraction form
    792,243.58/1,093,435.89 = 470,131.28/x
  3. Step 3: Cross multiply
    792,243.58x = 1,093,435.89 × 470,131.28
  4. Step 4: Simplify right side
    792,243.58x = 514,058,416,121.90
  5. Step 5: Solve for x
    x = 514,058,416,121.90/792,243.58
  6. Step 6: Final answer
    x = 648,864.10

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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.