Home / 806,606.08-1,209,816.96-215,676.16

Finding the Fourth Proportional to 806,606.08, 1,209,816.96 and 215,676.16

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Solution

The fourth proportional to 806,606.08, 1,209,816.96 and 215,676.16 is: 323,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,606.08 : 1,209,816.96 = 215,676.16 : x
  2. Step 2: Convert to fraction form
    806,606.08/1,209,816.96 = 215,676.16/x
  3. Step 3: Cross multiply
    806,606.08x = 1,209,816.96 × 215,676.16
  4. Step 4: Simplify right side
    806,606.08x = 260,928,676,235.67
  5. Step 5: Solve for x
    x = 260,928,676,235.67/806,606.08
  6. Step 6: Final answer
    x = 323,489.60

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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.