Home / 529,943.04-731,326.73-288,231.21

Finding the Fourth Proportional to 529,943.04, 731,326.73 and 288,231.21

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Solution

The fourth proportional to 529,943.04, 731,326.73 and 288,231.21 is: 397,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,943.04 : 731,326.73 = 288,231.21 : x
  2. Step 2: Convert to fraction form
    529,943.04/731,326.73 = 288,231.21/x
  3. Step 3: Cross multiply
    529,943.04x = 731,326.73 × 288,231.21
  4. Step 4: Simplify right side
    529,943.04x = 210,791,186,852.09
  5. Step 5: Solve for x
    x = 210,791,186,852.09/529,943.04
  6. Step 6: Final answer
    x = 397,761.97

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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.