Home / 805,207.92-1,208,009.62-400,591.04

Finding the Fourth Proportional to 805,207.92, 1,208,009.62 and 400,591.04

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Solution

The fourth proportional to 805,207.92, 1,208,009.62 and 400,591.04 is: 600,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,207.92 : 1,208,009.62 = 400,591.04 : x
  2. Step 2: Convert to fraction form
    805,207.92/1,208,009.62 = 400,591.04/x
  3. Step 3: Cross multiply
    805,207.92x = 1,208,009.62 × 400,591.04
  4. Step 4: Simplify right side
    805,207.92x = 483,917,830,005.81
  5. Step 5: Solve for x
    x = 483,917,830,005.81/805,207.92
  6. Step 6: Final answer
    x = 600,984.94

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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.