Home / 801,242.79-1,105,776.42-457,086.30

Finding the Fourth Proportional to 801,242.79, 1,105,776.42 and 457,086.30

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Solution

The fourth proportional to 801,242.79, 1,105,776.42 and 457,086.30 is: 630,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,242.79 : 1,105,776.42 = 457,086.30 : x
  2. Step 2: Convert to fraction form
    801,242.79/1,105,776.42 = 457,086.30/x
  3. Step 3: Cross multiply
    801,242.79x = 1,105,776.42 × 457,086.30
  4. Step 4: Simplify right side
    801,242.79x = 505,435,252,445.05
  5. Step 5: Solve for x
    x = 505,435,252,445.05/801,242.79
  6. Step 6: Final answer
    x = 630,814.10

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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.