Home / 509,927.49-703,573.97-318,845.25

Finding the Fourth Proportional to 509,927.49, 703,573.97 and 318,845.25

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Solution

The fourth proportional to 509,927.49, 703,573.97 and 318,845.25 is: 439,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,927.49 : 703,573.97 = 318,845.25 : x
  2. Step 2: Convert to fraction form
    509,927.49/703,573.97 = 318,845.25/x
  3. Step 3: Cross multiply
    509,927.49x = 703,573.97 × 318,845.25
  4. Step 4: Simplify right side
    509,927.49x = 224,331,216,763.92
  5. Step 5: Solve for x
    x = 224,331,216,763.92/509,927.49
  6. Step 6: Final answer
    x = 439,927.68

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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.