Home / 880,392.30-1,320,199.65-347,736.30

Finding the Fourth Proportional to 880,392.30, 1,320,199.65 and 347,736.30

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Solution

The fourth proportional to 880,392.30, 1,320,199.65 and 347,736.30 is: 521,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,392.30 : 1,320,199.65 = 347,736.30 : x
  2. Step 2: Convert to fraction form
    880,392.30/1,320,199.65 = 347,736.30/x
  3. Step 3: Cross multiply
    880,392.30x = 1,320,199.65 × 347,736.30
  4. Step 4: Simplify right side
    880,392.30x = 459,081,341,552.30
  5. Step 5: Solve for x
    x = 459,081,341,552.30/880,392.30
  6. Step 6: Final answer
    x = 521,450.88

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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.