Home / 529,845.71-731,206.28-303,534.95

Finding the Fourth Proportional to 529,845.71, 731,206.28 and 303,534.95

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Solution

The fourth proportional to 529,845.71, 731,206.28 and 303,534.95 is: 418,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,845.71 : 731,206.28 = 303,534.95 : x
  2. Step 2: Convert to fraction form
    529,845.71/731,206.28 = 303,534.95/x
  3. Step 3: Cross multiply
    529,845.71x = 731,206.28 × 303,534.95
  4. Step 4: Simplify right side
    529,845.71x = 221,946,661,639.49
  5. Step 5: Solve for x
    x = 221,946,661,639.49/529,845.71
  6. Step 6: Final answer
    x = 418,889.23

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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.