Home / 751,815.26-1,127,460.38-302,419.57

Finding the Fourth Proportional to 751,815.26, 1,127,460.38 and 302,419.57

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Solution

The fourth proportional to 751,815.26, 1,127,460.38 and 302,419.57 is: 453,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,815.26 : 1,127,460.38 = 302,419.57 : x
  2. Step 2: Convert to fraction form
    751,815.26/1,127,460.38 = 302,419.57/x
  3. Step 3: Cross multiply
    751,815.26x = 1,127,460.38 × 302,419.57
  4. Step 4: Simplify right side
    751,815.26x = 340,966,078,980.89
  5. Step 5: Solve for x
    x = 340,966,078,980.89/751,815.26
  6. Step 6: Final answer
    x = 453,523.75

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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.