Home / 487,997.01-731,749.95-203,613.84

Finding the Fourth Proportional to 487,997.01, 731,749.95 and 203,613.84

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Solution

The fourth proportional to 487,997.01, 731,749.95 and 203,613.84 is: 305,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,997.01 : 731,749.95 = 203,613.84 : x
  2. Step 2: Convert to fraction form
    487,997.01/731,749.95 = 203,613.84/x
  3. Step 3: Cross multiply
    487,997.01x = 731,749.95 × 203,613.84
  4. Step 4: Simplify right side
    487,997.01x = 148,994,417,239.31
  5. Step 5: Solve for x
    x = 148,994,417,239.31/487,997.01
  6. Step 6: Final answer
    x = 305,318.30

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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.