Home / 802,546.64-1,107,507.30-439,963.91

Finding the Fourth Proportional to 802,546.64, 1,107,507.30 and 439,963.91

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Solution

The fourth proportional to 802,546.64, 1,107,507.30 and 439,963.91 is: 607,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,546.64 : 1,107,507.30 = 439,963.91 : x
  2. Step 2: Convert to fraction form
    802,546.64/1,107,507.30 = 439,963.91/x
  3. Step 3: Cross multiply
    802,546.64x = 1,107,507.30 × 439,963.91
  4. Step 4: Simplify right side
    802,546.64x = 487,263,242,061.54
  5. Step 5: Solve for x
    x = 487,263,242,061.54/802,546.64
  6. Step 6: Final answer
    x = 607,146.32

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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.