Home / 788,378.70-1,182,981.15-362,043.30

Finding the Fourth Proportional to 788,378.70, 1,182,981.15 and 362,043.30

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Solution

The fourth proportional to 788,378.70, 1,182,981.15 and 362,043.30 is: 543,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,378.70 : 1,182,981.15 = 362,043.30 : x
  2. Step 2: Convert to fraction form
    788,378.70/1,182,981.15 = 362,043.30/x
  3. Step 3: Cross multiply
    788,378.70x = 1,182,981.15 × 362,043.30
  4. Step 4: Simplify right side
    788,378.70x = 428,290,399,383.80
  5. Step 5: Solve for x
    x = 428,290,399,383.80/788,378.70
  6. Step 6: Final answer
    x = 543,254.66

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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.