Home / 806,633.79-1,112,693.38-504,302.91

Finding the Fourth Proportional to 806,633.79, 1,112,693.38 and 504,302.91

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Solution

The fourth proportional to 806,633.79, 1,112,693.38 and 504,302.91 is: 695,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,633.79 : 1,112,693.38 = 504,302.91 : x
  2. Step 2: Convert to fraction form
    806,633.79/1,112,693.38 = 504,302.91/x
  3. Step 3: Cross multiply
    806,633.79x = 1,112,693.38 × 504,302.91
  4. Step 4: Simplify right side
    806,633.79x = 561,134,509,471.74
  5. Step 5: Solve for x
    x = 561,134,509,471.74/806,633.79
  6. Step 6: Final answer
    x = 695,649.64

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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.