Home / 695,746.89-1,043,769.29-215,964.16

Finding the Fourth Proportional to 695,746.89, 1,043,769.29 and 215,964.16

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Solution

The fourth proportional to 695,746.89, 1,043,769.29 and 215,964.16 is: 323,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,746.89 : 1,043,769.29 = 215,964.16 : x
  2. Step 2: Convert to fraction form
    695,746.89/1,043,769.29 = 215,964.16/x
  3. Step 3: Cross multiply
    695,746.89x = 1,043,769.29 × 215,964.16
  4. Step 4: Simplify right side
    695,746.89x = 225,416,754,259.40
  5. Step 5: Solve for x
    x = 225,416,754,259.40/695,746.89
  6. Step 6: Final answer
    x = 323,992.47

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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.