Home / 808,630.28-1,213,090.66-276,026.76

Finding the Fourth Proportional to 808,630.28, 1,213,090.66 and 276,026.76

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Solution

The fourth proportional to 808,630.28, 1,213,090.66 and 276,026.76 is: 414,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,630.28 : 1,213,090.66 = 276,026.76 : x
  2. Step 2: Convert to fraction form
    808,630.28/1,213,090.66 = 276,026.76/x
  3. Step 3: Cross multiply
    808,630.28x = 1,213,090.66 × 276,026.76
  4. Step 4: Simplify right side
    808,630.28x = 334,845,484,466.06
  5. Step 5: Solve for x
    x = 334,845,484,466.06/808,630.28
  6. Step 6: Final answer
    x = 414,089.72

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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.