Home / 916,082.90-1,373,735.55-442,913.30

Finding the Fourth Proportional to 916,082.90, 1,373,735.55 and 442,913.30

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Solution

The fourth proportional to 916,082.90, 1,373,735.55 and 442,913.30 is: 664,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,082.90 : 1,373,735.55 = 442,913.30 : x
  2. Step 2: Convert to fraction form
    916,082.90/1,373,735.55 = 442,913.30/x
  3. Step 3: Cross multiply
    916,082.90x = 1,373,735.55 × 442,913.30
  4. Step 4: Simplify right side
    916,082.90x = 608,445,745,777.82
  5. Step 5: Solve for x
    x = 608,445,745,777.82/916,082.90
  6. Step 6: Final answer
    x = 664,181.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.