Home / 931,355.26-1,395,769.49-425,288.86

Finding the Fourth Proportional to 931,355.26, 1,395,769.49 and 425,288.86

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Solution

The fourth proportional to 931,355.26, 1,395,769.49 and 425,288.86 is: 637,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,355.26 : 1,395,769.49 = 425,288.86 : x
  2. Step 2: Convert to fraction form
    931,355.26/1,395,769.49 = 425,288.86/x
  3. Step 3: Cross multiply
    931,355.26x = 1,395,769.49 × 425,288.86
  4. Step 4: Simplify right side
    931,355.26x = 593,605,206,119.59
  5. Step 5: Solve for x
    x = 593,605,206,119.59/931,355.26
  6. Step 6: Final answer
    x = 637,356.37

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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.