Home / 918,835.49-1,378,533.60-469,871.73

Finding the Fourth Proportional to 918,835.49, 1,378,533.60 and 469,871.73

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Solution

The fourth proportional to 918,835.49, 1,378,533.60 and 469,871.73 is: 704,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,835.49 : 1,378,533.60 = 469,871.73 : x
  2. Step 2: Convert to fraction form
    918,835.49/1,378,533.60 = 469,871.73/x
  3. Step 3: Cross multiply
    918,835.49x = 1,378,533.60 × 469,871.73
  4. Step 4: Simplify right side
    918,835.49x = 647,733,967,495.13
  5. Step 5: Solve for x
    x = 647,733,967,495.13/918,835.49
  6. Step 6: Final answer
    x = 704,950.97

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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.