Home / 827,929.60-1,142,648.48-505,571.84

Finding the Fourth Proportional to 827,929.60, 1,142,648.48 and 505,571.84

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Solution

The fourth proportional to 827,929.60, 1,142,648.48 and 505,571.84 is: 697,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,929.60 : 1,142,648.48 = 505,571.84 : x
  2. Step 2: Convert to fraction form
    827,929.60/1,142,648.48 = 505,571.84/x
  3. Step 3: Cross multiply
    827,929.60x = 1,142,648.48 × 505,571.84
  4. Step 4: Simplify right side
    827,929.60x = 577,690,894,506.80
  5. Step 5: Solve for x
    x = 577,690,894,506.80/827,929.60
  6. Step 6: Final answer
    x = 697,753.64

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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.