Home / 802,551.64-1,107,514.20-439,968.91

Finding the Fourth Proportional to 802,551.64, 1,107,514.20 and 439,968.91

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Solution

The fourth proportional to 802,551.64, 1,107,514.20 and 439,968.91 is: 607,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,551.64 : 1,107,514.20 = 439,968.91 : x
  2. Step 2: Convert to fraction form
    802,551.64/1,107,514.20 = 439,968.91/x
  3. Step 3: Cross multiply
    802,551.64x = 1,107,514.20 × 439,968.91
  4. Step 4: Simplify right side
    802,551.64x = 487,271,815,383.52
  5. Step 5: Solve for x
    x = 487,271,815,383.52/802,551.64
  6. Step 6: Final answer
    x = 607,153.22

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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.