Home / 919,672.32-1,379,106.31-463,983.20

Finding the Fourth Proportional to 919,672.32, 1,379,106.31 and 463,983.20

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Solution

The fourth proportional to 919,672.32, 1,379,106.31 and 463,983.20 is: 695,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,672.32 : 1,379,106.31 = 463,983.20 : x
  2. Step 2: Convert to fraction form
    919,672.32/1,379,106.31 = 463,983.20/x
  3. Step 3: Cross multiply
    919,672.32x = 1,379,106.31 × 463,983.20
  4. Step 4: Simplify right side
    919,672.32x = 639,882,151,958.46
  5. Step 5: Solve for x
    x = 639,882,151,958.46/919,672.32
  6. Step 6: Final answer
    x = 695,771.89

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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.