Home / 806,876.20-1,210,314.30-245,938.60

Finding the Fourth Proportional to 806,876.20, 1,210,314.30 and 245,938.60

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Solution

The fourth proportional to 806,876.20, 1,210,314.30 and 245,938.60 is: 368,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,876.20 : 1,210,314.30 = 245,938.60 : x
  2. Step 2: Convert to fraction form
    806,876.20/1,210,314.30 = 245,938.60/x
  3. Step 3: Cross multiply
    806,876.20x = 1,210,314.30 × 245,938.60
  4. Step 4: Simplify right side
    806,876.20x = 297,663,004,501.98
  5. Step 5: Solve for x
    x = 297,663,004,501.98/806,876.20
  6. Step 6: Final answer
    x = 368,907.90

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Similar ratio
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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.