Home / 790,230.56-1,090,520.81-427,654.20

Finding the Fourth Proportional to 790,230.56, 1,090,520.81 and 427,654.20

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Solution

The fourth proportional to 790,230.56, 1,090,520.81 and 427,654.20 is: 590,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,230.56 : 1,090,520.81 = 427,654.20 : x
  2. Step 2: Convert to fraction form
    790,230.56/1,090,520.81 = 427,654.20/x
  3. Step 3: Cross multiply
    790,230.56x = 1,090,520.81 × 427,654.20
  4. Step 4: Simplify right side
    790,230.56x = 466,365,802,445.63
  5. Step 5: Solve for x
    x = 466,365,802,445.63/790,230.56
  6. Step 6: Final answer
    x = 590,164.22

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1.5x scale

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.