Home / 529,856.28-731,220.84-303,545.52

Finding the Fourth Proportional to 529,856.28, 731,220.84 and 303,545.52

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Solution

The fourth proportional to 529,856.28, 731,220.84 and 303,545.52 is: 418,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,856.28 : 731,220.84 = 303,545.52 : x
  2. Step 2: Convert to fraction form
    529,856.28/731,220.84 = 303,545.52/x
  3. Step 3: Cross multiply
    529,856.28x = 731,220.84 × 303,545.52
  4. Step 4: Simplify right side
    529,856.28x = 221,958,810,112.64
  5. Step 5: Solve for x
    x = 221,958,810,112.64/529,856.28
  6. Step 6: Final answer
    x = 418,903.80

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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.