Home / 805,134.72-1,111,114.08-461,032.32

Finding the Fourth Proportional to 805,134.72, 1,111,114.08 and 461,032.32

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Solution

The fourth proportional to 805,134.72, 1,111,114.08 and 461,032.32 is: 636,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,134.72 : 1,111,114.08 = 461,032.32 : x
  2. Step 2: Convert to fraction form
    805,134.72/1,111,114.08 = 461,032.32/x
  3. Step 3: Cross multiply
    805,134.72x = 1,111,114.08 × 461,032.32
  4. Step 4: Simplify right side
    805,134.72x = 512,259,502,087.07
  5. Step 5: Solve for x
    x = 512,259,502,087.07/805,134.72
  6. Step 6: Final answer
    x = 636,240.73

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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.