Home / 790,707.29-1,091,132.89-463,976.31

Finding the Fourth Proportional to 790,707.29, 1,091,132.89 and 463,976.31

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Solution

The fourth proportional to 790,707.29, 1,091,132.89 and 463,976.31 is: 640,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,707.29 : 1,091,132.89 = 463,976.31 : x
  2. Step 2: Convert to fraction form
    790,707.29/1,091,132.89 = 463,976.31/x
  3. Step 3: Cross multiply
    790,707.29x = 1,091,132.89 × 463,976.31
  4. Step 4: Simplify right side
    790,707.29x = 506,259,810,861.90
  5. Step 5: Solve for x
    x = 506,259,810,861.90/790,707.29
  6. Step 6: Final answer
    x = 640,261.97

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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.