Home / 792,320.64-1,093,610.88-490,767.36

Finding the Fourth Proportional to 792,320.64, 1,093,610.88 and 490,767.36

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Solution

The fourth proportional to 792,320.64, 1,093,610.88 and 490,767.36 is: 677,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,320.64 : 1,093,610.88 = 490,767.36 : x
  2. Step 2: Convert to fraction form
    792,320.64/1,093,610.88 = 490,767.36/x
  3. Step 3: Cross multiply
    792,320.64x = 1,093,610.88 × 490,767.36
  4. Step 4: Simplify right side
    792,320.64x = 536,708,524,444.88
  5. Step 5: Solve for x
    x = 536,708,524,444.88/792,320.64
  6. Step 6: Final answer
    x = 677,388.04

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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.