Home / 785,928.82-1,084,581.78-428,232.82

Finding the Fourth Proportional to 785,928.82, 1,084,581.78 and 428,232.82

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Solution

The fourth proportional to 785,928.82, 1,084,581.78 and 428,232.82 is: 590,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,928.82 : 1,084,581.78 = 428,232.82 : x
  2. Step 2: Convert to fraction form
    785,928.82/1,084,581.78 = 428,232.82/x
  3. Step 3: Cross multiply
    785,928.82x = 1,084,581.78 × 428,232.82
  4. Step 4: Simplify right side
    785,928.82x = 464,453,506,605.95
  5. Step 5: Solve for x
    x = 464,453,506,605.95/785,928.82
  6. Step 6: Final answer
    x = 590,961.29

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1.5x scale

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.