Home / 806,837.20-1,210,255.80-245,899.60

Finding the Fourth Proportional to 806,837.20, 1,210,255.80 and 245,899.60

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Solution

The fourth proportional to 806,837.20, 1,210,255.80 and 245,899.60 is: 368,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,837.20 : 1,210,255.80 = 245,899.60 : x
  2. Step 2: Convert to fraction form
    806,837.20/1,210,255.80 = 245,899.60/x
  3. Step 3: Cross multiply
    806,837.20x = 1,210,255.80 × 245,899.60
  4. Step 4: Simplify right side
    806,837.20x = 297,601,417,117.68
  5. Step 5: Solve for x
    x = 297,601,417,117.68/806,837.20
  6. Step 6: Final answer
    x = 368,849.40

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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.