Home / 802,042.21-1,106,817.59-439,488.64

Finding the Fourth Proportional to 802,042.21, 1,106,817.59 and 439,488.64

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Solution

The fourth proportional to 802,042.21, 1,106,817.59 and 439,488.64 is: 606,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,042.21 : 1,106,817.59 = 439,488.64 : x
  2. Step 2: Convert to fraction form
    802,042.21/1,106,817.59 = 439,488.64/x
  3. Step 3: Cross multiply
    802,042.21x = 1,106,817.59 × 439,488.64
  4. Step 4: Simplify right side
    802,042.21x = 486,433,755,688.86
  5. Step 5: Solve for x
    x = 486,433,755,688.86/802,042.21
  6. Step 6: Final answer
    x = 606,493.96

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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.