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Finding the Fourth Proportional to 418,296.34, 576,957.09 and 275,010.58

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Solution

The fourth proportional to 418,296.34, 576,957.09 and 275,010.58 is: 379,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,296.34 : 576,957.09 = 275,010.58 : x
  2. Step 2: Convert to fraction form
    418,296.34/576,957.09 = 275,010.58/x
  3. Step 3: Cross multiply
    418,296.34x = 576,957.09 × 275,010.58
  4. Step 4: Simplify right side
    418,296.34x = 158,669,303,956.01
  5. Step 5: Solve for x
    x = 158,669,303,956.01/418,296.34
  6. Step 6: Final answer
    x = 379,322.72

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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.