Home / 889,021.39-1,226,849.64-481,123.36

Finding the Fourth Proportional to 889,021.39, 1,226,849.64 and 481,123.36

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Solution

The fourth proportional to 889,021.39, 1,226,849.64 and 481,123.36 is: 663,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,021.39 : 1,226,849.64 = 481,123.36 : x
  2. Step 2: Convert to fraction form
    889,021.39/1,226,849.64 = 481,123.36/x
  3. Step 3: Cross multiply
    889,021.39x = 1,226,849.64 × 481,123.36
  4. Step 4: Simplify right side
    889,021.39x = 590,266,021,011.59
  5. Step 5: Solve for x
    x = 590,266,021,011.59/889,021.39
  6. Step 6: Final answer
    x = 663,950.30

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Double scale
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1.5x scale

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.