Home / 790,780.24-1,091,355-451,299.52

Finding the Fourth Proportional to 790,780.24, 1,091,355 and 451,299.52

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Solution

The fourth proportional to 790,780.24, 1,091,355 and 451,299.52 is: 622,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,780.24 : 1,091,355 = 451,299.52 : x
  2. Step 2: Convert to fraction form
    790,780.24/1,091,355 = 451,299.52/x
  3. Step 3: Cross multiply
    790,780.24x = 1,091,355 × 451,299.52
  4. Step 4: Simplify right side
    790,780.24x = 492,527,987,649.60
  5. Step 5: Solve for x
    x = 492,527,987,649.60/790,780.24
  6. Step 6: Final answer
    x = 622,838.01

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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.