Home / 790,082.64-1,090,311.03-427,507.20

Finding the Fourth Proportional to 790,082.64, 1,090,311.03 and 427,507.20

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Solution

The fourth proportional to 790,082.64, 1,090,311.03 and 427,507.20 is: 589,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,082.64 : 1,090,311.03 = 427,507.20 : x
  2. Step 2: Convert to fraction form
    790,082.64/1,090,311.03 = 427,507.20/x
  3. Step 3: Cross multiply
    790,082.64x = 1,090,311.03 × 427,507.20
  4. Step 4: Simplify right side
    790,082.64x = 466,115,815,564.42
  5. Step 5: Solve for x
    x = 466,115,815,564.42/790,082.64
  6. Step 6: Final answer
    x = 589,958.31

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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.