Home / 806,338.32-1,209,507.52-245,533.20

Finding the Fourth Proportional to 806,338.32, 1,209,507.52 and 245,533.20

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Solution

The fourth proportional to 806,338.32, 1,209,507.52 and 245,533.20 is: 368,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,338.32 : 1,209,507.52 = 245,533.20 : x
  2. Step 2: Convert to fraction form
    806,338.32/1,209,507.52 = 245,533.20/x
  3. Step 3: Cross multiply
    806,338.32x = 1,209,507.52 × 245,533.20
  4. Step 4: Simplify right side
    806,338.32x = 296,974,251,809.66
  5. Step 5: Solve for x
    x = 296,974,251,809.66/806,338.32
  6. Step 6: Final answer
    x = 368,299.81

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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.