Home / 730,535.22-1,008,139.98-408,245.33

Finding the Fourth Proportional to 730,535.22, 1,008,139.98 and 408,245.33

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Solution

The fourth proportional to 730,535.22, 1,008,139.98 and 408,245.33 is: 563,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,535.22 : 1,008,139.98 = 408,245.33 : x
  2. Step 2: Convert to fraction form
    730,535.22/1,008,139.98 = 408,245.33/x
  3. Step 3: Cross multiply
    730,535.22x = 1,008,139.98 × 408,245.33
  4. Step 4: Simplify right side
    730,535.22x = 411,568,433,780.59
  5. Step 5: Solve for x
    x = 411,568,433,780.59/730,535.22
  6. Step 6: Final answer
    x = 563,379.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.