Home / 529,822.46-731,132.75-300,395.18

Finding the Fourth Proportional to 529,822.46, 731,132.75 and 300,395.18

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Solution

The fourth proportional to 529,822.46, 731,132.75 and 300,395.18 is: 414,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,822.46 : 731,132.75 = 300,395.18 : x
  2. Step 2: Convert to fraction form
    529,822.46/731,132.75 = 300,395.18/x
  3. Step 3: Cross multiply
    529,822.46x = 731,132.75 × 300,395.18
  4. Step 4: Simplify right side
    529,822.46x = 219,628,755,655.41
  5. Step 5: Solve for x
    x = 219,628,755,655.41/529,822.46
  6. Step 6: Final answer
    x = 414,532.74

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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.