Home / 806,228.21-1,209,517.27-245,248.13

Finding the Fourth Proportional to 806,228.21, 1,209,517.27 and 245,248.13

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Solution

The fourth proportional to 806,228.21, 1,209,517.27 and 245,248.13 is: 367,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,228.21 : 1,209,517.27 = 245,248.13 : x
  2. Step 2: Convert to fraction form
    806,228.21/1,209,517.27 = 245,248.13/x
  3. Step 3: Cross multiply
    806,228.21x = 1,209,517.27 × 245,248.13
  4. Step 4: Simplify right side
    806,228.21x = 296,631,842,009.50
  5. Step 5: Solve for x
    x = 296,631,842,009.50/806,228.21
  6. Step 6: Final answer
    x = 367,925.41

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Double scale
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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.