Home / 788,140.26-1,087,213.26-482,364.84

Finding the Fourth Proportional to 788,140.26, 1,087,213.26 and 482,364.84

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Solution

The fourth proportional to 788,140.26, 1,087,213.26 and 482,364.84 is: 665,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,140.26 : 1,087,213.26 = 482,364.84 : x
  2. Step 2: Convert to fraction form
    788,140.26/1,087,213.26 = 482,364.84/x
  3. Step 3: Cross multiply
    788,140.26x = 1,087,213.26 × 482,364.84
  4. Step 4: Simplify right side
    788,140.26x = 524,433,450,205.78
  5. Step 5: Solve for x
    x = 524,433,450,205.78/788,140.26
  6. Step 6: Final answer
    x = 665,406.24

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Double scale
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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.