Home / 788,529.20-1,087,826.96-482,619.20

Finding the Fourth Proportional to 788,529.20, 1,087,826.96 and 482,619.20

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Solution

The fourth proportional to 788,529.20, 1,087,826.96 and 482,619.20 is: 665,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,529.20 : 1,087,826.96 = 482,619.20 : x
  2. Step 2: Convert to fraction form
    788,529.20/1,087,826.96 = 482,619.20/x
  3. Step 3: Cross multiply
    788,529.20x = 1,087,826.96 × 482,619.20
  4. Step 4: Simplify right side
    788,529.20x = 525,006,177,173.63
  5. Step 5: Solve for x
    x = 525,006,177,173.63/788,529.20
  6. Step 6: Final answer
    x = 665,804.36

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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.