Home / 808,029.88-1,115,103.02-445,492.92

Finding the Fourth Proportional to 808,029.88, 1,115,103.02 and 445,492.92

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Solution

The fourth proportional to 808,029.88, 1,115,103.02 and 445,492.92 is: 614,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,029.88 : 1,115,103.02 = 445,492.92 : x
  2. Step 2: Convert to fraction form
    808,029.88/1,115,103.02 = 445,492.92/x
  3. Step 3: Cross multiply
    808,029.88x = 1,115,103.02 × 445,492.92
  4. Step 4: Simplify right side
    808,029.88x = 496,770,500,480.62
  5. Step 5: Solve for x
    x = 496,770,500,480.62/808,029.88
  6. Step 6: Final answer
    x = 614,792.24

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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.