Home / 666,271-919,453.98-364,471.48

Finding the Fourth Proportional to 666,271, 919,453.98 and 364,471.48

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Solution

The fourth proportional to 666,271, 919,453.98 and 364,471.48 is: 502,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,271 : 919,453.98 = 364,471.48 : x
  2. Step 2: Convert to fraction form
    666,271/919,453.98 = 364,471.48/x
  3. Step 3: Cross multiply
    666,271x = 919,453.98 × 364,471.48
  4. Step 4: Simplify right side
    666,271x = 335,114,752,882.49
  5. Step 5: Solve for x
    x = 335,114,752,882.49/666,271
  6. Step 6: Final answer
    x = 502,970.64

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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.