Home / 689,828.40-1,035,923.40-374,900.40

Finding the Fourth Proportional to 689,828.40, 1,035,923.40 and 374,900.40

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Solution

The fourth proportional to 689,828.40, 1,035,923.40 and 374,900.40 is: 562,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,828.40 : 1,035,923.40 = 374,900.40 : x
  2. Step 2: Convert to fraction form
    689,828.40/1,035,923.40 = 374,900.40/x
  3. Step 3: Cross multiply
    689,828.40x = 1,035,923.40 × 374,900.40
  4. Step 4: Simplify right side
    689,828.40x = 388,368,097,029.36
  5. Step 5: Solve for x
    x = 388,368,097,029.36/689,828.40
  6. Step 6: Final answer
    x = 562,992.33

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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.