Home / 672,836.92-1,008,112.90-406,036.80

Finding the Fourth Proportional to 672,836.92, 1,008,112.90 and 406,036.80

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Solution

The fourth proportional to 672,836.92, 1,008,112.90 and 406,036.80 is: 608,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,836.92 : 1,008,112.90 = 406,036.80 : x
  2. Step 2: Convert to fraction form
    672,836.92/1,008,112.90 = 406,036.80/x
  3. Step 3: Cross multiply
    672,836.92x = 1,008,112.90 × 406,036.80
  4. Step 4: Simplify right side
    672,836.92x = 409,330,935,954.72
  5. Step 5: Solve for x
    x = 409,330,935,954.72/672,836.92
  6. Step 6: Final answer
    x = 608,365.75

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1.5x scale

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.