Home / 918,056.30-1,266,930.87-504,631.37

Finding the Fourth Proportional to 918,056.30, 1,266,930.87 and 504,631.37

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Solution

The fourth proportional to 918,056.30, 1,266,930.87 and 504,631.37 is: 696,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,056.30 : 1,266,930.87 = 504,631.37 : x
  2. Step 2: Convert to fraction form
    918,056.30/1,266,930.87 = 504,631.37/x
  3. Step 3: Cross multiply
    918,056.30x = 1,266,930.87 × 504,631.37
  4. Step 4: Simplify right side
    918,056.30x = 639,333,054,288.74
  5. Step 5: Solve for x
    x = 639,333,054,288.74/918,056.30
  6. Step 6: Final answer
    x = 696,398.53

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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.