Home / 790,187.18-1,090,458.32-427,611.02

Finding the Fourth Proportional to 790,187.18, 1,090,458.32 and 427,611.02

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Solution

The fourth proportional to 790,187.18, 1,090,458.32 and 427,611.02 is: 590,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,187.18 : 1,090,458.32 = 427,611.02 : x
  2. Step 2: Convert to fraction form
    790,187.18/1,090,458.32 = 427,611.02/x
  3. Step 3: Cross multiply
    790,187.18x = 1,090,458.32 × 427,611.02
  4. Step 4: Simplify right side
    790,187.18x = 466,291,986,892.34
  5. Step 5: Solve for x
    x = 466,291,986,892.34/790,187.18
  6. Step 6: Final answer
    x = 590,103.21

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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.