Home / 936,564.80-1,404,501.60-305,499.20

Finding the Fourth Proportional to 936,564.80, 1,404,501.60 and 305,499.20

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Solution

The fourth proportional to 936,564.80, 1,404,501.60 and 305,499.20 is: 458,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,564.80 : 1,404,501.60 = 305,499.20 : x
  2. Step 2: Convert to fraction form
    936,564.80/1,404,501.60 = 305,499.20/x
  3. Step 3: Cross multiply
    936,564.80x = 1,404,501.60 × 305,499.20
  4. Step 4: Simplify right side
    936,564.80x = 429,074,115,198.72
  5. Step 5: Solve for x
    x = 429,074,115,198.72/936,564.80
  6. Step 6: Final answer
    x = 458,136.07

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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.