Home / 529,822.28-731,132.51-300,395.00

Finding the Fourth Proportional to 529,822.28, 731,132.51 and 300,395.00

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Solution

The fourth proportional to 529,822.28, 731,132.51 and 300,395.00 is: 414,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,822.28 : 731,132.51 = 300,395.00 : x
  2. Step 2: Convert to fraction form
    529,822.28/731,132.51 = 300,395.00/x
  3. Step 3: Cross multiply
    529,822.28x = 731,132.51 × 300,395.00
  4. Step 4: Simplify right side
    529,822.28x = 219,628,550,667.31
  5. Step 5: Solve for x
    x = 219,628,550,667.31/529,822.28
  6. Step 6: Final answer
    x = 414,532.49

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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.