Home / 880,262.36-1,320,378.82-281,219.16

Finding the Fourth Proportional to 880,262.36, 1,320,378.82 and 281,219.16

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Solution

The fourth proportional to 880,262.36, 1,320,378.82 and 281,219.16 is: 421,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,262.36 : 1,320,378.82 = 281,219.16 : x
  2. Step 2: Convert to fraction form
    880,262.36/1,320,378.82 = 281,219.16/x
  3. Step 3: Cross multiply
    880,262.36x = 1,320,378.82 × 281,219.16
  4. Step 4: Simplify right side
    880,262.36x = 371,315,822,642.19
  5. Step 5: Solve for x
    x = 371,315,822,642.19/880,262.36
  6. Step 6: Final answer
    x = 421,824.04

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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.