Home / 804,502.31-1,109,895.74-518,188.57

Finding the Fourth Proportional to 804,502.31, 1,109,895.74 and 518,188.57

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Solution

The fourth proportional to 804,502.31, 1,109,895.74 and 518,188.57 is: 714,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,502.31 : 1,109,895.74 = 518,188.57 : x
  2. Step 2: Convert to fraction form
    804,502.31/1,109,895.74 = 518,188.57/x
  3. Step 3: Cross multiply
    804,502.31x = 1,109,895.74 × 518,188.57
  4. Step 4: Simplify right side
    804,502.31x = 575,135,286,359.69
  5. Step 5: Solve for x
    x = 575,135,286,359.69/804,502.31
  6. Step 6: Final answer
    x = 714,895.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.