Home / 790,168.58-1,090,435.50-427,592.39

Finding the Fourth Proportional to 790,168.58, 1,090,435.50 and 427,592.39

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Solution

The fourth proportional to 790,168.58, 1,090,435.50 and 427,592.39 is: 590,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,168.58 : 1,090,435.50 = 427,592.39 : x
  2. Step 2: Convert to fraction form
    790,168.58/1,090,435.50 = 427,592.39/x
  3. Step 3: Cross multiply
    790,168.58x = 1,090,435.50 × 427,592.39
  4. Step 4: Simplify right side
    790,168.58x = 466,261,924,311.93
  5. Step 5: Solve for x
    x = 466,261,924,311.93/790,168.58
  6. Step 6: Final answer
    x = 590,079.05

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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.