Home / 529,767.27-731,087.96-288,051.47

Finding the Fourth Proportional to 529,767.27, 731,087.96 and 288,051.47

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Solution

The fourth proportional to 529,767.27, 731,087.96 and 288,051.47 is: 397,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,767.27 : 731,087.96 = 288,051.47 : x
  2. Step 2: Convert to fraction form
    529,767.27/731,087.96 = 288,051.47/x
  3. Step 3: Cross multiply
    529,767.27x = 731,087.96 × 288,051.47
  4. Step 4: Simplify right side
    529,767.27x = 210,590,961,577.30
  5. Step 5: Solve for x
    x = 210,590,961,577.30/529,767.27
  6. Step 6: Final answer
    x = 397,515.99

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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.