Home / 798,578.86-1,102,009.89-435,996.04

Finding the Fourth Proportional to 798,578.86, 1,102,009.89 and 435,996.04

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Solution

The fourth proportional to 798,578.86, 1,102,009.89 and 435,996.04 is: 601,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,578.86 : 1,102,009.89 = 435,996.04 : x
  2. Step 2: Convert to fraction form
    798,578.86/1,102,009.89 = 435,996.04/x
  3. Step 3: Cross multiply
    798,578.86x = 1,102,009.89 × 435,996.04
  4. Step 4: Simplify right side
    798,578.86x = 480,471,948,080.84
  5. Step 5: Solve for x
    x = 480,471,948,080.84/798,578.86
  6. Step 6: Final answer
    x = 601,658.74

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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.