Home / 810,842.96-1,215,749.28-711,203.24

Finding the Fourth Proportional to 810,842.96, 1,215,749.28 and 711,203.24

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Solution

The fourth proportional to 810,842.96, 1,215,749.28 and 711,203.24 is: 1,066,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,842.96 : 1,215,749.28 = 711,203.24 : x
  2. Step 2: Convert to fraction form
    810,842.96/1,215,749.28 = 711,203.24/x
  3. Step 3: Cross multiply
    810,842.96x = 1,215,749.28 × 711,203.24
  4. Step 4: Simplify right side
    810,842.96x = 864,644,826,963.67
  5. Step 5: Solve for x
    x = 864,644,826,963.67/810,842.96
  6. Step 6: Final answer
    x = 1,066,353.00

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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.