Home / 918,951.70-1,378,493.37-245,029.47

Finding the Fourth Proportional to 918,951.70, 1,378,493.37 and 245,029.47

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Solution

The fourth proportional to 918,951.70, 1,378,493.37 and 245,029.47 is: 367,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,951.70 : 1,378,493.37 = 245,029.47 : x
  2. Step 2: Convert to fraction form
    918,951.70/1,378,493.37 = 245,029.47/x
  3. Step 3: Cross multiply
    918,951.70x = 1,378,493.37 × 245,029.47
  4. Step 4: Simplify right side
    918,951.70x = 337,771,499,849.61
  5. Step 5: Solve for x
    x = 337,771,499,849.61/918,951.70
  6. Step 6: Final answer
    x = 367,561.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.