Home / 852,950.40-1,278,842.40-403,886.40

Finding the Fourth Proportional to 852,950.40, 1,278,842.40 and 403,886.40

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Solution

The fourth proportional to 852,950.40, 1,278,842.40 and 403,886.40 is: 605,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,950.40 : 1,278,842.40 = 403,886.40 : x
  2. Step 2: Convert to fraction form
    852,950.40/1,278,842.40 = 403,886.40/x
  3. Step 3: Cross multiply
    852,950.40x = 1,278,842.40 × 403,886.40
  4. Step 4: Simplify right side
    852,950.40x = 516,507,053,103.36
  5. Step 5: Solve for x
    x = 516,507,053,103.36/852,950.40
  6. Step 6: Final answer
    x = 605,553.44

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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.