Home / 536,140.55-804,543.20-311,606.72

Finding the Fourth Proportional to 536,140.55, 804,543.20 and 311,606.72

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Solution

The fourth proportional to 536,140.55, 804,543.20 and 311,606.72 is: 467,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,140.55 : 804,543.20 = 311,606.72 : x
  2. Step 2: Convert to fraction form
    536,140.55/804,543.20 = 311,606.72/x
  3. Step 3: Cross multiply
    536,140.55x = 804,543.20 × 311,606.72
  4. Step 4: Simplify right side
    536,140.55x = 250,701,067,650.30
  5. Step 5: Solve for x
    x = 250,701,067,650.30/536,140.55
  6. Step 6: Final answer
    x = 467,603.26

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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.