Home / 880,722.90-1,321,084.35-347,969.70

Finding the Fourth Proportional to 880,722.90, 1,321,084.35 and 347,969.70

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Solution

The fourth proportional to 880,722.90, 1,321,084.35 and 347,969.70 is: 521,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,722.90 : 1,321,084.35 = 347,969.70 : x
  2. Step 2: Convert to fraction form
    880,722.90/1,321,084.35 = 347,969.70/x
  3. Step 3: Cross multiply
    880,722.90x = 1,321,084.35 × 347,969.70
  4. Step 4: Simplify right side
    880,722.90x = 459,697,324,944.20
  5. Step 5: Solve for x
    x = 459,697,324,944.20/880,722.90
  6. Step 6: Final answer
    x = 521,954.55

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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.