Home / 705,395.93-1,057,823.14-300,331.33

Finding the Fourth Proportional to 705,395.93, 1,057,823.14 and 300,331.33

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Solution

The fourth proportional to 705,395.93, 1,057,823.14 and 300,331.33 is: 450,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,395.93 : 1,057,823.14 = 300,331.33 : x
  2. Step 2: Convert to fraction form
    705,395.93/1,057,823.14 = 300,331.33/x
  3. Step 3: Cross multiply
    705,395.93x = 1,057,823.14 × 300,331.33
  4. Step 4: Simplify right side
    705,395.93x = 317,697,425,251.86
  5. Step 5: Solve for x
    x = 317,697,425,251.86/705,395.93
  6. Step 6: Final answer
    x = 450,381.71

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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.