Home / 829,068.60-1,243,432.80-229,879.20

Finding the Fourth Proportional to 829,068.60, 1,243,432.80 and 229,879.20

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Solution

The fourth proportional to 829,068.60, 1,243,432.80 and 229,879.20 is: 344,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,068.60 : 1,243,432.80 = 229,879.20 : x
  2. Step 2: Convert to fraction form
    829,068.60/1,243,432.80 = 229,879.20/x
  3. Step 3: Cross multiply
    829,068.60x = 1,243,432.80 × 229,879.20
  4. Step 4: Simplify right side
    829,068.60x = 285,839,337,317.76
  5. Step 5: Solve for x
    x = 285,839,337,317.76/829,068.60
  6. Step 6: Final answer
    x = 344,771.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.